The 8th Annual Conference of
Public Opinion & Election Survey Research～大会テーマ～

調査の新潮流―Webとモバイルと市場･世論･選挙調査―

日 時 ： 平成30年7月20日(金）13時
会場：毎日ホールዷ ờ‫ ៭ ͪ ۂ‬Ắᦞ ଩ ៤ ೷ ሀ ኬ ‫ ݸ‬Ϝɝ‫ݸ‬Ϝᾋ̵ᾣɝ

Ọ៤೷ὀ௺ཿ່ƆỵẐẍ ἺᾧᾕὩᾰἺई‫ܣ‬Ắͪ៭Ắᦞ଩៤೷Ɔọఎసắ ỗ ổỖờ मỜỜ ಇỗỗ ổఎỀ᧽ềỖỖ ỘắổổǗỖỜắỘổƈઝខϜỖỖ ỜắộỚǗ๏ ఎᾠ̵ᾰỀಽᝯᏲዤෙᰚᆸᥩẮᾖᾱ὾ὺὩᾎᾘᾰ۟ͣỖᬜề‫ܣ‬૏ắ ๏ ఎ௺ᒣቆ Ắ๏ɝἦἔ἖ἧἶ ỀṜṞṥṛṛṘṜṞṥṜṛềೃಚ ฤᄁỀ‫ܓ‬႘‫ࠓݸ‬ቆϜ៤೷ሀኬᾀᾸᾄ̵᫆ềͷ࢙ టࠥỀ๏ఎ௺ᒣቆቆ᫆ềɝዷỖᦽ ὩᾸᾄ̵ᾒᾈᾍ៤೷ἽἜἣὝ០ᯄ ỀṜṞṥṜṛṘṜṟṥṝṛề
ỀỖềὩᾸᾄ̵ᾒᾈᾍ៤೷ὀ០ᯄἺ‫ع‬ᢉ‫͢׹‬Ἵ‫׹‬ἣἱ‫ג‬὜ᎳὑƆଢᏑ‫פ‬ᓟἼ៤೷რܻὤᆶତἩἸƆఎಚᾣ̵ὶᾋὨᾸήẮᾯὺ̵ᾆ֠Ϝ ὩᾸᾄ̵ᾒᾈᾍ៤೷‫ع‬ᢉ޽‫ـ‬ϜỀỗềᾧᾕὩᾰՠ‫׹‬៤೷ἹὑὝ‫ۂ‬ጇὀѹ‫׹‬ὀࣾᄬ᨞ಗ ࠎऱිẪ‫ױ‬ᕡ ௦‫ݻ‬Ẫ๤᧺ ͜સỀỬỲỲᾎὸᾧẮᾧᾕὩᾰቆϜሀኬ૏ềỀỘềṴẞẞẠẐẞ ẑẚẝ ṸẚẍẔẗẐ ṽẐẞẐẌẝẎẓṽẌẤ ṻẚẤẙẟẐẝ ṓṸẌẙẌẒẔẙẒ ṯẔẝẐẎẟẚẝ ẚẑ ṿẓẐ ṱẠẟẠẝẐ ṻẗẌẎẐṚṮẓẌẔẝ ẚẑ ẟẓẐ ṱẐẞẟẔạẌẗ ẚẑ ṹẐẢṸṽṔ
Ểᖋ௦὾ᾮὩᾎἜ὚ὅ‫ؤ‬௦៝ఠρ἟ὀ᡹௮᧎उƈᢉᄻ৔ጇὁᥩឨρểɝዷỗᦽ ṝṛṜṢ मᜊᠫᬆᦞ଩ἽἜἣὝ០ᯄ ỀṜṟṥṝṛṘṜṠṥṟṠề
ỀộềṝṛṜṢ मᜊᠫᬆᦞ଩Γ༠ἽἜἣὝ០ᯄǙ‫ᦈܢ‬ἺᎻ೎ὀ๒ᤉἽ὚ὝᒉࡎǙೃᄉ నΗỀ‫ܓ‬႘‫ࠓݸ‬ẮቆϜ៤೷ሀኬᾀᾸᾄ̵ẮӮௗେềỀỚềṽṯṴṿ ὤᄅ἖ἱ᭺ᾖᾒᾰ࿭Ϸ࿛૿ԅἽ὚Ὕ ẂẐẍ ៤೷ὀ‫פ‬ᓟ৯ƆṝṛṜṢ मᜊᠫᬆᦞ଩ὀᾍᾮᾈὲᾸή៤೷Ἵ὚ὝᒉࡎƆࢪᄉ ӄࠄỀὴᾲ὾ᶝᾣ̵ὶᾋὨᾸήẮᾆ̵ᾚᾯὺ̵ᾆᾨ̵ềỀớềᾒᾈᾍᾯὺ̵ᾆὤᄅ἖ἱಈ්ᒋὀᦞ૶‫׏‬৔࠮ᰲὀូὑಫ͢ ౑ዖỀᾣὴᾲᾤᾰᏬ‫װ‬ሀኬ૏Ắሀኬ‫ـ‬ềỀỜềಈ්ᒋлαὀ௃ଢௌҴ‫ݪ‬ցὁΓ༠Ἱ἟ὝἝƆ᷒ᶵ᷆ᷗᷕᶵᶝ᷒ᶪᶻᷕᶴṘὤᄅ἖ἱ௺ତසὀ୧ഓƆ;ӈ ϯҤỀᶪᷕᶻᶨᶴᷖᶝᶴᶾᶩᶩᶽ᷐ᶵᶼềẪΗჰ ‫و‬ΊỀᶪᷕᶻᶨᶴᷖᶝṴṿ ϓᄐᶰᷖ᷑ᶨ᷐᷄ᷗᶨᶸᷖᶨềƕϛઓ ỖỚԋ᫑ƗɝዷỘᦽ ᾖᾒᾰᾌὨ὾ὰᾈὼᾬᾸ ṓṜṡṥṛṛṘṜṢṥṞṛṔẂẐẍ ἺᾧᾕὩᾰὤ໅ᄅἫὝ៤೷ὀ‫פ‬ᓟ৯Ἲ០ᯄ
Ꮼ‫׫װ‬Ϝắ ೃಚ ฤᄁỀ‫ܓ‬႘‫ࠓݸ‬ẮቆϜ៤೷ሀኬᾀᾸᾄ̵᫆Ắௗେềᠫᯄ୧Аắ ೃᄉ నΗỀ‫ܓ‬႘‫ࠓݸ‬ẮቆϜ៤೷ሀኬᾀᾸᾄ̵ẮӮௗେềừỰ᫗Лᒋắ ᗪֻ ᬹͿỀᶼ᷏ᷕᶵᶲᶵ᷋ᶵᶝᶩᶽ᷐ᶻᶠᶰᶵ‫ג‬᏶঩Եቆ᫆ Ṛ ᷇ᶰᷓ᷈᷑Ꮼ‫װ‬ሀኬ૏૏᫆ề᫆ࣁ ᡬ᜻Ềᶪᷕᶻᶨᶴᷖ‫ܐ‬ᜋ঩‫ ـ‬ᫍᆄಚᦽ᫆ Ṛ ᶪᷕᶻᶨᶴᷖ᷆ᶨ᷑ᶻᷖᶠᷕᶰᷖᶵ ṽṑṯ ᾀᾸᾄ̵᫆ề‫ᦈܢ‬᫗Лᒋắ ‫͜ ࢙ױ‬ᤕỀ៞‫௺ݢ‬ᒣቆͪ៭៤೷ᦽ᫆ềԪᄉ ᆸαỀಒఎ௺ᒣቆͪ៭៤೷ᦽ᫆ềᱶಗ ໑௦Ề๏ఎ௺ᒣቆͪ៭៤೷࠱᫆ềɝઝខϜ ṓṜṢṥṟṠṘṔ
͹Ѳắ‫ܓ‬႘‫ࠓݸ‬ቆϜ៤೷ሀኬᾀᾸᾄ̵
1ӀѲắ๏ఎ௺ᒣቆ

The 8th Annual Conference of Public Opinion & Election Survey Research

New Trends in Surveys: Using Web & Mobile for Marketing,Public Opinion, and Election Research
Date:
Place:

20 th July 2018 , Friday, 13:00-17:30 / 17:45- Networking Event
Mainichi Hall, The Mainichi Shimbun (Palace Side Building B1 floor)_< OPENING REMARKS>(13:00 – 13:10)_

Masao Matsumoto: President, Social Survey Research Center, Saitama University
Masahiro Maruyama: President, The Mainichi Shimbun_< SESSION 1 >Issues for Internet Research(13:10 – 14:20)_<1> The Activities to Improve the Quality of Internet Research:
For a Sustainable Research Environment
JMRA Internet Research Quality Committee<2> Response Propensity Found Out by Mobile Usage Surveys
Takayuki Suzuki, Fumio Kira, and Kazunari Mizuno, NTT DOCOMO Mobile Society Research Institute<3> Issues for Mobile Research
Ray Poynter: Managing Director, The Future Place_< SESSION 2 >Issues for Prediction of the 2017 Lower House Election in Japan (14:20 – 15:45)_<4> Weighing Predictions of Media against Election Results
Eiji Matsuda: Associate Professor, Saitama University<5> Prospects of Web Survey Using RDIT (Random Domain Intercept Technology) :Findings through Tracking Surveys of the 2017 Lower House Election in Japan
Noriko Kishida: Chief Researcher, Cross Marketing<6> A Trial of Selective Reaction Experiment of Voters with Online Survey
Tomoaki Murakami: Researcher, Macromill<7> Can Predict Changes of Supporting Party for Each Voter?:Approach Using New Index with Response Latency
Yusuke Kunai: Senior Analyst and Tetsuya Nihei: Group Leader, Intage=== Break===_< SESSION 3 >Panel Discussion(16:00 – 17:30)_

Challenges for Web and Mobile Research*Moderator: Masao Matsumoto*Facilitator: Eiji Matsuda*Marketing Research Field
Masashi Hagihara: Executive Vice President, Transcosmos Analytics
Takahiro Nagasaki: Executive Officer, Intage*Public Opinion Research (News Paper) Field
Kazuteru Yoshiyama: Director,Public Opinion Research Department, The Yomiuri Shimbun
Naoto Maeda: Director, Public Opinion Research Department, The Asahi Shimbun
Hirofumi Oniki: Director, Public Opinion Research Department, The Mainichi Shimbun_<NETWORKING EVENT >(17:45 – )_2
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Hosted by Social Survey Research Center
Co-sponsored by The Mainichi Newspapers࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝࡢㄢ㢟࡜ရ㉁ྥୖ࡟ྥࡅࡓྲྀࡾ⤌ࡳ̿ᣢ⥆ྍ⬟࡞ㄪᰝ⎔ቃࢆ┠ᣦࡋ࡚̿
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ࡿ㸬ࡇࡇ࡛ࡢ࢔ࢡࢸ࢕ࣈ࡜࠸࠺ᐃ⩏ࡣ㸪᭶࡟ 1 ᅇ௨ୖᅇ⟅ࡋࡓேࡢࡇ࡜ࢆᣦࡍ㸬ࡍ࡞ࢃࡕ㸪㠀࢔ࢡࢸ࢕ࣈ⋡ࡣ᭶࡟ 1 ᅇࡶ࢔ࣥࢣ࣮ࢺࢆᅇ⟅ࡋ࡞࠿ࡗࡓேࡢ๭ྜࡢࡇ࡜࡛࠶ࡿ㸬ᅗ⾲ 4 ࡣ㸪࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝࢆ㐠Ⴀࡍࡿ୺せ6 ♫ࡢ࢔ࢡࢭࢫࣃࢿࣝ࡟ᑐࡋ࡚㸪 2013 ᖺࡢᩘ್ࢆ100 ࡜ࡋࡓ࡜ࡁࡢ࢔ࢡࢸ࢕ࣈ⋡ࡢ⤒ᖺኚ໬ࢆ♧ࡋࡓࡶࡢ࡛࠶ࡿ㸬2017ᖺ࡛ࡣ࢔ࢡࢸ࢕ࣈ⋡ࡣ0.70ࡲ࡛࡟పୗࡋ࡚ࡁ࡚࠸ࡿ㸬ಶே᝟ሗಖㆤࡢព㆑ࡀ㧗ࡲࡿ୰㸪࡞࠿࡞࠿ㄪᰝ
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-05$ ࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝရ㉁ጤဨ఍ࡢάື
㸯㸧ㄪᰝရ㉁ྥୖ࡟ྥࡅࡓၨⵚάືJMRA ࡟࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝရ㉁ጤဨ఍ࡀタ⨨ࡉࢀࡿ๓ࡲ࡛ࡣ㸪ᴗ⏺ᅋయ࡜ࡋ࡚ࡶ࢖ࣥࢱ࣮ࢿ
ࢵࢺㄪᰝࡢᐇែࢆṇࡋࡃᢕᥱࡋ࡚ࡇ࡞࠿ࡗࡓ㸬ㄪ
ᰝရ㉁ጤဨ఍࡛ࡢ᳨ウࡣ㸪ࡲࡎྛ♫ࡀᢪ࠼ࡿᝎࡳ
ࡸㄢ㢟ࢆඹ᭷ࡍࡿ࡜ࡇࢁ࠿ࡽጞࡲࡗࡓ㸬ḟ࡟ྛ♫ࡀ JMRA ࡟ᥦ౪࡛ࡁࡿ♫ෆ᝟ሗࢆㄪᩚࡋࡓᚋ࡟㸪ᐃᮇⓗ࡟࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝࡢ೺ᗣデ᩿࡜࡞ࡿᣦ
ᶆ㸦Ⓩ㘓ࢹࣂ࢖ࢫẚ⋡㸪ᅇ⟅ࢹࣂ࢖ࢫẚ⋡➼㸧ࢆ཰㞟ࡋ࡚࠸ࡃࡶࡢ࡜ࡋࡓ㸬ࡲࡓ㸪JMRA ࡀⓎ⾜ࡍࡿᶵ㛵ㄅ࡬ࡢᐤ✏ࡸ࣓࣮ࣜࣥࢢࣜࢫࢺ࡟ࡼࡿእ㒊࡬ࡢ᝟ሗⓎಙ࡜࠸࠺ྲྀࡾ
⤌ࡳࡶ㛤ጞࡋࡓ࡜ࡇࢁ࡛࠶ࡿ㸬ከࡃࡢ࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝࡢㄪᰝ㈝⏝ࡣ㸪ࢧࣥࣉࣝࢧ࢖ࢬ㉁ၥᩘ࡟ࡼࡗ࡚つᐃࡉࢀ࡚࠾ࡾ㸪౫㢗⪅ഃ࠿ࡽࡍࢀࡤ஦๓࡟ㄪᰝ㈝⏝ࡀ☜ᐃࡋ࡚࠸ࡿ
ࡢ࡛Ᏻᚰࡋ࡚౫㢗࡛ࡁࡿ㸬ࡲࡓ㸪࢖ࣥࢱ࣮ࢿࢵࢺ
ㄪᰝࡢከࡃࡀ๭ᙜἲ࡛ᐇ᪋ࡉࢀ࡚࠾ࡾ㸪౫㢗ᩘࡀቑ࠼ࡓ࡜ࡇࢁ࡛㒑㏦㈝ࡸே௳㈝ࡢࡼ࠺࡟ㄪᰝ㈝⏝ࡢኚືࡍࡿせ⣲ࡀ࡞࠸ࡢ࡛㸪ᅇ཰ࡋࡓேᩘ࡟ࡋ࠿
ព㆑ࡀ㞟୰ࡋ࡞ࡃ࡞ࡗ࡚ࡋࡲ࠺㸬ᅗ⾲ 5 ࡣ㸪࠶ࡿㄪᰝ࠾ࡅࡿタၥูᅇ⟅⥅⥆⋡ࢆ♧ࡋࡓࡶࡢ࡛࠶ࡿ㸬PC ࡶࢫ࣐࣮ࢺࣇ࢛ࣥࡶ Q9࡛⥅⥆⋡ࡀ኱ࡁࡃపୗࡋ࡚࠸ࡿ㸬ࡇࡇ࡛኱ࡁ࡞࣐
ࢺࣜࢡࢫタၥࡀ࿊♧ࡉࢀ࡚࠾ࡾ㸪ࡇࡢ኱ࡁ࡞࣐ࢺࣜࢡࢫタၥࡀᅇ⟅⬺ⴠࢆᣍࡃ᭱኱ࡢせᅉ࡜࡞ࡗ࡚
࠸ࡿࡇ࡜ࢆ♧ࡋ࡚࠸ࡿ㸬ࡲࡓ㸪ࡇࡢᕧ኱࣐ࢺࣜࢡ
ࢫ࡛ࡢᅇ⟅㞳⬺ࡣ PC ࡼࡾࡶࢫ࣐࣮ࢺࣇ࢛࡛ࣥⓎ⏕ࡋࡸࡍ࠸ࡇ࡜ࡀุࡿ㸬ࢫ࣐࣮ࢺࣇ࢛ࣥࡢᅇ⟅ẚ⋡ࡀቑ࠼࡚࠸ࡿᐇែࢆ⪃៖ࡍࡿ࡜㸪௨๓ࡼࡾࡶᅇ
⟅㞳⬺ࡀⓎ⏕ࡋࡸࡍ࠸≧ἣ࡟࠶ࡿ࡜࠸࠼ࡼ࠺㸬ࡲࡓ㸪JMRA ࡛ࡣ 2018 ᖺ 5 ᭶࡟ㄪᰝရ㉁ጤဨ
఍࡟ཧ⏬ࡋ࡚࠸ࡿ 8 ♫ࡢࢿࢵࢺࣜࢧ࣮ࢳࣔࢽࢱ࣮
࡟ᑐࡋ࡚‶㊊ᗘㄪᰝࢆᐇ᪋ࡋ࡚࠸ࡿ㸬ࡇࡢㄪᰝࡢ
୰࡛㸪ࣔࢽࢱ࣮ࡀᅇ⟅ࡋ࡟ࡃ࠸ㄪᰝ⚊ࡣ࡝ࡢࡼ࠺
࡞ࡶࡢ࠿ࢆ㉁ၥࡋࡓ࡜ࡇࢁ㸪ᅗ⾲ 6 ࡢࡼ࠺࡞⤖ᯝ࡜࡞ࡗࡓ㸬
ࡑࡋ࡚ 50%௨ୖࡢேࡀࠕ㑅ᢥ⫥ࡀከࡍࡂࡿࠖ
ࠕ㉁ၥᩥࡀ㛗࠸ࠖ
ㄪᰝ⚊ࡣᅇ⟅ពḧࢆኻ࠺࡜ᅇ⟅ࡋࡓ㸬ࡲࡓࠕᅇ⟅ᡤせ᫬㛫ࡀ࠿࠿ࡿࠖࡸࠕ㢮ఝࡋࡓෆᐜ
ࢆ⧞ࡾ㏉ࡋ㉁ၥࡉࢀࡿࠖࡶ 40%௨ୖࡢேࡀᅇ⟅ពḧࢆኻ࠺࡜ࡋ࡚࠸ࡿ㸬ᅗ⾲ 㻣 㻶㻹㻾㻭 ᶵ㛵ㄅ䜈䛾ᐤ✏㻌
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㸧࢞࢖ࢻࣛ࢖ࣥࢆ⟇ᐃࡍࡿࡇ࡜ࡢព⩏᪤࡟࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝࡀᙜࡓࡾ๓ࡢࡼ࠺࡟ᐇ
᪋ࡉࢀ࡚࠸ࡿ᫬௦࡟࡞ࡾ㸪ึࡵ࡚ᢸᙜࡍࡿㄪᰝࡀ
ࠕ࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝࠖ࡜࡞ࡿ౫㢗⪅ࡶከࡃ࡞ࡗ
࡚࠸ࡿ㸬࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝࢆ㐍ࡵ࡚࠸ࡃᕤ⛬ࡣࢩࢫࢸ࣐ࢸ࢕ࢵࢡ࡟㐍⾜ࡍࡿࡀ㸪⫋ሙ࡛ࠕㄪᰝࠖ
ࡢఱࡓࡿ࠿ࢆ῝ࡃᩍ⫱ࡉࢀ࡞࠸ࡓࡵ࠿㸪ㄪᰝࡣ༢࡞ࡿ᪥ࠎࡢᴗົࡢ୍ࡘ࡟࡞ࡗ࡚ࡋࡲࡗ࡚࠸࡞࠸ࡔ
ࢁ࠺࠿㸬ᅇ⟅⪅ࡈ࡜࡟➹㊧ࡀ␗࡞ࡿ⏕ࡢㄪᰝ⚊ࢆࡳࡿࡇ࡜ࡀ࡞ࡃ㸪᪤࡟ධຊࡉࢀࡓࢹࢪࢱࣝࢹ࣮ࢱ
࡛ࡋ࠿ㄪᰝ⤖ᯝࢆぢࡿࡇ࡜ࡀ࡞ࡃ࡞ࡗࡓࡇ࡜ࡶᙳ
㡪ࡋ࡚࠸ࡿࡔࢁ࠺࠿㸬ࢩࢫࢸ࣐ࢸ࢕ࢵࢡ࡟ᩘከࡃࡢ࢖ࣥࢱ࣮ࢿࢵࢺㄪ
ᰝࡀ㐍⾜ࡉࢀࡿ୰࡛㸪ㄪᰝࡢኻᩋࡣ⤯ᑐ࡟チࡉ࡞࠸࡜࠸࠺ࡑࡢㄪᰝ࡟࠿ࡅࡿᇳ╔ᚰࡀⷧࡽ࠸࡛ࡁࡓ
ࡼ࠺࡟ᛮࢃࢀࡿ㸬࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝ࡟ᦠࢃࡿ
ேࠎࡢ͆ㄪᰝ͇࡛࠶ࡿࡇ࡜ࡢព㆑ࡀᕼⷧ໬ࡋ࡚࠸
ࡿ࠿ࡽࡇࡑ㸪ᕧ኱࡞࣐ࢺࣜࢡࢫタၥࢆ⧞ࡾ㏉ࡋ㸪ࣔࢽࢱ࣮ࢆ⑂ᘢࡉࡏ㸪࢔ࢡࢸ࢕ࣈ⋡ࡢపୗࢆᣍ࠸
࡚࠸ࡿࡢ࡛ࡣ࡞࠸࠿㸬ᅗ⾲ 㻢 ᅇ⟅ពḧ䜢ᦆ䛺䛖ㄪᰝෆᐜ㻌5࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝ࡜ࡣ࠸࠼㸪ᅇ⟅᪉ἲࡀ⣬࠿ࡽ PCࠊࡑࡋ࡚ࢫ࣐࣮ࢺࣇ࢛ࣥ࡟ኚࢃࡗࡓ࡟ࡍࡂ
࡞࠸㸬ᇶᮏⓗ࡟ࡣ⣬ࡢㄪᰝ⚊ࡢ᫬௦࠿ࡽ͆ㄪᰝ͇
࡛࠶ࡿࡇ࡜࡟ኚࢃࡾࡣ࡞࠸㸬࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝ࡛ࡣ࢔ࢡࢭࢫࣃࢿࣝࡢ୰࠿
ࡽㄪᰝᑐ㇟⪅ࢆᢳฟࡋ࡚࠸ࡿࢃࡅࡔࡀ㸪࢔ࢡࢭࢫࣃࢿࣝࡣỴࡋ࡚࢔ࣥࢣ࣮ࢺࢆᅇ⟅ࡍࡿ࣐ࢩ࣮࡛ࣥ
ࡣ࡞࠸㸬ࡈࡃ୍⯡ࡢ⏕ά⪅࡛࠶ࡿ㸬ඛ࡟ࡶ㏙࡭ࡓࡼ࠺࡟㸪࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝࡢ⎔ቃࢆᨵၿࡋ࡞ࡅ
ࢀࡤ㸪ࡑࡢᏑ⥆ࡀ༴ࡪࡲࢀࡿ㸬ᣢ⥆ྍ⬟࡞࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝࡢ⎔ቃࡢಖ඲㸪ࡑࡋ࡚ㄪᰝᴗ⏺ࡢ೺඲࡞ࡿⓎᒎࢆಁࡍࡓࡵ࡟ࡶ㸪ㄪᰝ㛵ಀ⪅ࡢព㆑ᨵ㠉ࡀᚲせ࡛࠶ࡿ㸬ࡋ࠿ࡋ࡞ࡀࡽ㸪ࡇ࠺ࡋࡓㄪᰝ౫㢗⪅ࡢព㆑ᨵ㠉ࢆồࡵࡿ㐠ືࡣຍ┕ಶ♫ࡢດຊ࡛ࡣ㠀ᖖ࡟㞴ࡋ࠸㸬ࡑࡇ࡛ JMRA ࡣᴗ⏺ᅋయ࡜ࡋ࡚㸪࢖ࣥࢱ࣮ࢿࢵ
ࢺㄪᰝ࡟ᦠࢃࡿ⪅ࡢࡓࡵࡢ㚷࡜࡞ࡿࡼ࠺࡞࢞࢖ࢻ
ࣛ࢖ࣥࢆ⟇ᐃࡍࡿࡇ࡜࡟⮳ࡗࡓ㸬ᅗ⾲㻤 䜲䞁䝍䞊䝛䝑䝖ㄪᰝရ㉁䜺䜲䝗䝷䜲䞁䛾䜎䛸䜑㻌

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㸬௒ᚋࡢㄢ㢟JMRA ࡀ⟇ᐃࡋࡓࠕ࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝရ㉁࢞
࢖ࢻࣛ࢖ࣥࠖࡣᣊ᮰ຊࢆక࠺ࡶࡢ࡛ࡣ࡞࠸㸬࡜ࡶࡍࢀࡤࡇࡢ࢞࢖ࢻࣛ࢖ࣥࡀᏑᅾࡋࡓࡇ࡜ࡍࡽᛀࢀ
ཤࡽࢀ࡚ࡋࡲ࠺ྍ⬟ᛶࡶ࠶ࡿ㸬ࡑࡢࡼ࠺࡞ࡇ࡜࡟
࡞ࡽ࡞࠸ࡼ࠺࡟ࡍࡿࡓࡵ࡟㸪ࡇࡢ࢞࢖ࢻࣛ࢖ࣥࢆ
ᗈࡵ࡚࠸ࡃၨⵚάື࡟ὀຊࡋ࡚࠸ࡃᚲせࡀ࠶ࡿ㸬ࡲࡓ㸪ࢫ࣐࣮ࢺࣇ࢛ࣥ࠿ࡽࡢᅇ⟅⪅ࡀ௒ᚋࡶቑ
࠼⥆ࡅ࡚࠸ࡃࡇ࡜ࡀ᝿ᐃࡉࢀࡿ୰࡛㸪࡝࠺ࡋ࡚ࡶ
ㄪᰝ⚊ࢆࢥࣥࣃࢡࢺ࡟ࡋ࡚࠸ࡃ᪉ྥ࡟࡞ࡽࡊࡿࢆ
ᚓ࡞࠸㸬ࡔࡀㄪᰝ౫㢗ഃ࡟࡜ࡗ࡚ࡣࡇࢀࡲ࡛㏻ࡾࡢㄪᰝ㡯┠࡟ࡘ࠸࡚▱ࡾࡓ࠸࡜࠸࠺ࢽ࣮ࢬࡀ࠶ࡿ
ࡇ࡜ࡶ஦ᐇ࡛࠶ࡿ㸬ࡑ࠺ࡋࡓࢽ࣮ࢬ࡟ᛂ࠼ࡿࡓࡵ
࡟㸪኱࣮࣒࣎ࣜࣗࡢㄪᰝ⚊ࢆศ๭ࡍࡿㄪᰝศ๭ἲࡢᐇド◊✲࡟ࡘ࠸࡚ࡶ⾜ࡗ࡚࠸ࡿ࡜ࡇࢁ࡛࠶ࡿ㸬JMRA ࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝရ㉁ጤဨ఍ࡣ㸪ᘬࡁ⥆ࡁ࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝࡀᣢ⥆ྍ⬟࡞ㄪᰝ࢖ࣥࣇ
ࣛ࡜ࡋ࡚ᅾࡾ⥆ࡅࡿࡓࡵࡢάື࡟㑌㐍ࡋ࡚࠸ࡃᡤ
Ꮡ࡛࠶ࡿ㸬ཧ⪃ᩥ⊩㸧࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝရ㉁࢞࢖ࢻࣛ࢖ࣥࡢᴫせḟ࡟ JMRA ࡀ 2017 ᖺ 11 ᭶࡟⟇ᐃࡋࡓࠕ࢖ࣥ
ࢱ࣮ࢿࢵࢺㄪᰝရ㉁࢞࢖ࢻࣛ࢖ࣥࠖࡢᴫせ࡟ࡘ࠸࡚⤂௓ࡋࡓ࠸㸬
ඛ࡟㏙࡭ࡓ࡜࠾ࡾ㸪࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝࡶࠕㄪ
ᰝ࡛ࠖ࠶ࡿࡇ࡜࡟㐪࠸ࡣ࡞࠸㸬ࡑࡇ࡛㸪ࡇࡢ࢞࢖ࢻࣛ࢖ࣥࡢ୰࡛
࠙᫬௦ࡀኚ໬ࡋ࡚ࡶᏲࡿ࡭ࡁࡇ࡜ࠚ
࡜ࡋ࡚ࠕㄪᰝ༠ຊ⪅ࢆ኱ษ࡟ࡍࡿࠖ࡜࠸࠺ㄪᰝࡢ
ᇶᮏࢆ➨㸯ࡢᰕ࡟ᥖࡆࡓ㸬ࡲࡓ㸪ࢿࢵࢺࣜࢧ࣮ࢳࢆྲྀࡾᕳࡃ⎔ቃࡣᖖ࡟ኚ
ࢃࡾ⥆ࡅ࡚࠸ࡿ㸬PC ࡛ᅇ཰ࡍࡿㄪᰝࢆ⥆ࡅ࡚࠸ࢀࡤ㸪▱ࡽࡎ▱ࡽࡎࡢ࠺ࡕ࡟ṍࢇࡔㄪᰝ⤖ᯝ࡟࡞ࡗ࡚ࡋࡲ࠺㸬௒ࡢࢿࢵࢺࣜࢧ࣮ࢳࡢࡸࡾ᪉࡛࠺ࡲ
ࡃ࠸ࡗ࡚࠸ࡿ࠿ࡽ࡜࠸ࡗ࡚㸪ᮍ᮶Ọຕኚ࠼࡞࠸ࡇ
࡜ࡣ㸪ࡁࡗ࡜ṇࡋ࠸ࡇ࡜࡛ࡣ࡞࠸ࡔࢁ࠺㸬ࡑࡇ࡛࠙᫬௦࡜࡜ࡶ࡟ኚ࠼࡚࠸ࡃ࡭ࡁࡇ࡜ࠚ࡜ࡋ࡚ࠕㄪ
ᰝ༠ຊࡋࡸࡍ࠸ㄪᰝ⚊ࢆタィࡍࡿࠖཬࡧࠕ᫬௦࡟
ᛂࡌࡓ࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝࢆᐇ᪋ࡍࡿࠖ࡜࠸࠺➨2㸪➨ 3 ࡢᰕࢆᥖࡆࡓ㸬ࡇࡢ࢞࢖ࢻࣛ࢖ࣥࡣ㸪ᐇ㝿࡟ㄪᰝ⚊ࢆタィࡍࡿ࡜ࡁࡢලయⓗ࡞㉁ၥᩘࡸ㑅ᢥ⫥ᩘ࡟ゐࢀࡓෆᐜ࡟
ࡣ࡞ࡗ࡚࠸࡞࠸㸬ࡇࢀࡣㄪᰝ఍♫࡟ࡼࡗ࡚⏬㠃⾲♧ࡀ␗࡞ࡿࡢ୍࡛ࡘࡢᇶ‽࡜ࡋ࡚ᐃࡵࡿࡇ࡜ࡀ㞴ࡋ࠸࠿ࡽ࡛࠶ࡿ㸬ࡑࡋ࡚㸪ㄪᰝ఍♫ࡢ୰ࡢேࡔࡅ
ࡀẼࢆࡘࡅࡿ࡭ࡁࡇ࡜࡛ࡣ࡞ࡃ㸪ㄪᰝࢆ౫㢗ࡍࡿே࡟ࡶྥࡅࡓ࣓ࢵࢭ࣮ࢪ࡜࡞ࡗ࡚࠸ࡿ㸬ຍ⸨ ᏹ(2017). ࢫ࣐࣮ࢺࣇ࢛ࣥࡢᬑཬࡀࢿࢵࢺࣜࢧ
࣮ࢳ࡟ཬࡰࡍᙳ㡪㸫PC ࡜ࢫ࣐࣮ࢺࣇ࢛ࣥࡢ࢔ࣥ
ࢣ࣮ࢺᅇ⟅ࡢẚ㍑㸫, ᪥ᮏ⾜ືィ㔞Ꮫ఍➨45ᅇ኱఍ᢒ㘓㞟, 89.
ᓊ⏣඾Ꮚ(2017). ࢿࢵࢺࣜࢧ࣮ࢳࡢㄢ㢟 ࢿࢵࢺࣜࢧ࣮ࢳࡢ⌧≧㸫ㄪᰝ఍♫ࡢどⅬ㸫, ᪥ᮏ⾜ືィ㔞Ꮫ఍➨ 45 ᅇ኱఍ᢒ㘓㞟, 88.
ᮧୖᬛ❶(2017). ࢿࢵࢺࣜࢧ࣮ࢳࣔࢽࢱ࣮࡟ᚲせ࡞ാࡁ᪉ᨵ㠉࡜ࡣ, ᪥ᮏ⾜ືィ㔞Ꮫ఍➨45ᅇ኱఍ᢒ
㘓㞟, 90.

6ࣔࣂ࢖ࣝືྥㄪᰝ࡛ࡳࡿᅇ⟅ࡢഴྥࡢᕪ␗ 㸫࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝ ࢫ࣐࣮ࢺࣇ࢛ࣥᅇ⟅⪅࡜ࣃࢯࢥࣥᅇ⟅⪅ࡢ≉ᛶ㸫㕥ᮌ㻌 Ꮥᖾᶞ㻌 㻌 ྜྷⰋ㻌 ᩥኵ㻌 㻌 Ỉ㔝㻌 ୍ᡂ㸦䠪䠰䠰䝗䝁䝰㻌 䝰䝞䜲䝹♫఍◊✲ᡤ㸧ࡣࡌࡵ࡟
 NTT ࢻࢥࣔࣔࣂ࢖ࣝ♫఍◊✲ᡤ࡛ࡣ㸪ᦠᖏ㟁ヰࡢࡶࡓࡽࡍග࡜ᙳࡢ୧㠃ࢆᗈࡃゎ᫂ࡍࡿࡓࡵ㸪ẖᖺᵝࠎ࡞♫఍ㄪᰝࢆࠕࣛ࢖ࣇࢫࢱ࢖ࣝࠖࢆ㍈࡟ᐇ᪋ࡋ㸪ศᯒ࣭◊✲ࢆ⾜ࡗ࡚࠸ࡿ㸬♫఍ㄪᰝࢆᐇ
᪋ࡍࡿ㝿࡟ࡣ㸪◊✲ࢸ࣮࣐࡟ྜࢃࡏ㸪ᑐ㇟ࡢᖺ௦࣭
࢚ࣜ࢔࡞࡝ࢆ⪃៖ࡋ㸪ゼၥ㠃᥋ἲ࣭ゼၥ␃⨨ἲ࣭࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝ➼ࢆ᥇⏝ࡋ࡚࠸ࡿ㸬㏆ᖺ㸪ࢫ࣐࣮ࢺࣇ࢛ࣥࡀᛴ㏿࡟ᬑཬࡋ㸪 ᖺ ᭶࡟ࡣ  ๭ࢆ㉸࠼ࡿேࡀᡤ᭷ࡍࡿࡼ࠺࡟࡞ࡗࡓ
㸦ࣔࣂ࢖ࣝ♫఍◊✲ᡤE㸧㸬ࡑࡢࡼ࠺࡞ኚ໬
ࡀ࠶ࡿ୰㸪୍ゝ࡛࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝ࡜ゝࡗ࡚ࡶ㸪ࠕࣃࢯࢥࣥࢆ฼⏝ࡋᅇ⟅ࡍࡿேࠖࡸࠕࢫ࣐࣮ࢺࣇ
࢛ࣥࢆ฼⏝ࡋᅇ⟅ࡍࡿேࠖࡢࡼ࠺࡟ᅇ⟅ࡍࡿࢹࣂ࢖ࢫࡢ㐪࠸࡟ࡼࡾ㸪ᅇ⟅ഴྥ࡟ᕪ␗ࡀ࠶ࡿࡢ࡛ࡣ
࡞࠸࠿࡜⪃࠼㸪௒ᅇศᯒࢆ⾜ࡗࡓ㸬࡞࠾ศᯒ࡟฼
⏝ࡋࡓㄪᰝࡣ㸪ࣔࣂ࢖ࣝ♫఍◊✲ᡤࡀ  ᖺ࠿ࡽẖᖺᐇ᪋ࡋ࡚࠸ࡿ㸪ࢫ࣐࣭࣍ࢣ࣮ࢱ࢖࡟㛵ࡍࡿᇶ♏ㄪᰝࠕࣔࣂ࢖ࣝືྥㄪᰝࠖࡼࡾ  ᖺ  ᖺ࡟ᐇᰝࢆ࠾ࡇ࡞ࡗࡓ඲ᅜㄪᰝࢆඖ࡟㸪᳨ウࢆ⾜࠺㸬㸬ㄪᰝᴫせㄪᰝྡ㸸ࣔࣂ࢖ࣝືྥㄪᰝ
㸦 ᖺࡼࡾẖᖺᐇ᪋㸧ㄪᰝ᫬ᮇ㸸 ᖺ  ᭶ ㄪᰝᑐ㇟㸸඲ᅜ㸪㹼 ṓ⏨ዪ ㄪᰝ᪉ἲ㸸࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝ
ᶆᮏᢳฟἲ㸸4827$6$03/,1* ᛶู  ṓ้ࡳ ࣭ᖺ㱋࣭㒔㐨ᗓ┴࡛๭௜ ㄪᰝ఍♫㸸ᰴᘧ఍♫ࢡࣟࢫ࣭࣐࣮ࢣࢸ࢕ࣥࢢ
ㄪᰝෆᐜ㸸 㡯┠࣭ࣔࣂ࢖ࣝ࡟㛵ࡍࡿᇶ♏ⓗ࡞㡯┠㸦ࢹࣂ࢖ࢫᡤ᭷㸪฼⏝ᩱ㔠㸧࣭ࣔࣂ࢖ࣝࡢᶵ⬟࣭ࢧ࣮ࣅࢫ฼⏝࡟㛵ࡍࡿ㡯┠ 㸦㹑㹌㹑㸪ື⏬㸪HF ࢧ࢖ࢺ㸪㜵⅏㸧࣭ࣛ࢖ࣇࢫࢱ࢖ࣝ࡟㛵ࢃࡿ㡯┠ 㸦࢖ࣀ࣮࣋ࢱᗘ㸪⛣ືᡭẁ㸧ࢧࣥࣉࣝᩘ㸸

ศᯒ⤖ᯝᅇ⟅ࢹࣂ࢖ࢫ ᙜㄪᰝࢆᅇ⟅ࡍࡿࡓࡵ࡟㸪฼⏝ࡋࡓࢹࣂ࢖ࢫࡣ㸪 ே࡟  ேࡣ㸪ࣃࢯࢥ࡛ࣥ࠶ࡾ㸪ࢫ࣐࣮ࢺࣇ࢛ࣥ
࡛ᅇ⟅ࡋࡓࡢࡣ⣙  ๭࡛࠶ࡗࡓ㸬௚࡟ࡣࢱࣈࣞࢵ
ࢺ࡛ᅇ⟅ࡋࡓேࡶ኱ࡼࡑ 㸣Ꮡᅾࡋࡓ㸦ᅗ⾲ 㸧㸬ᅗ⾲ ࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝᅇ⟅᫬࡟฼⏝ࡋࡓࢹࣂ࢖ࢫ
ࢱࣈࣞࢵࢺ,281, 5%

ࡑࡢ௚,18, 0%
ࢫ࣐࣍,
1728,
29%

ࣃࢯࢥ
ࣥ,
3973,
66%

㹬㸻6,000ࢫ࣐࣮ࢺࣇ࢛ࣥᡤ᭷⋡ࡣ㸪ᖺ௦ᕪ␗ࡀ࠶ࡾ㸪ᡃࠎࡀᐇ᪋ࡋࡓ௚ࡢㄪᰝ࡟࠾࠸࡚ࡶ㸪 ᖺ  ᭶᫬࡟࠾࠸࡚㸪 ௦ࡣ  ๭ᙅ㸪 ௦ࡣ  ๭ᙅࡀᮍᡤ᭷࡛
࠶ࡗࡓ㸦ࣔࣂ࢖ࣝ♫఍◊✲ᡤD㸧㸬ࢫ࣐࣮ࢺࣇ࢛ࣥࡢᡤ᭷⋡ࡢᕪ␗㸪ࡲࡓ฼ά⏝ࡢᕪ␗࠿ࡽ㸪ᙜㄪᰝ࡟࠾࠸࡚㸪ᖺ௦࡟ࡼࡿᙳ㡪ࡣ᫂ࡽ࠿࡟࠶ࡿ࡜᥎ᐃࡋ㸪☜ㄆࡋࡓࡢࡀᅗ⾲  ࡛࠶ࡿ㸬
ண᝿ࡢ㏻ࡾ㸪ⱝᖺᒙ࡛ࡣࢫ࣐࣮ࢺࣇ࢛ࣥ୰ᚰࡢᅇ
⟅࡛࠶ࡾ㸪≉࡟  ௦࡛ࡣ㸪 ๭ࢆ༨ࡵࡓ㸬㧗㱋ᒙ࡛ࡣࣃࢯࢥ࡛ࣥࡢᅇ⟅ࡀ୺࡛࠶ࡾ㸪 ௦ࢆぢ࡚ࡳࡿ࡜㸪࡯࡜ࢇ࡝ࡢᅇ⟅⪅ࡀࣃࢯࢥ࡛ࣥ࠶ࡗࡓ㸬 JMRA ࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝရ㉁ጤဨ఍  ࡟ࡼࡿ࡜㸪୺せㄪᰝ఍♫ࡢᅇ⟅ࢹࣂ࢖ࢫഴྥࡣ
 ᖺ࡟࠾࠸࡚㸪ࢫ࣐࣮ࢺࣇ࢛࡛ࣥࡢᅇ⟅ࡀ㸣㸪ࣃࢯࢥ࡛ࣥࡢᅇ⟅ࡀ 㸣࡛࠶ࡾ㸪ᖺ௦ู࡟ẚ㍑ࡋ࡚ࡶ㸪 ௦௨ୗࡣࢫ࣐࣮ࢺࣇ࢛࡛ࣥࡢ
ᅇ⟅ࡀ㐣༙ᩘࢆ㉸࠼࡚࠸ࡿ୍᪉㸪 ௦௨ୖࡣ  ๭ࢆ㉸࠼ࡿேࡀࣃࢯࢥ࡛ࣥᅇ⟅ࡋ࡚࠸ࡿ㸬ࡑࢀ࡛ࡣ㸪ࢫ࣐࣮ࢺࣇ࢛ࣥ࡜ࣃࢯࢥࣥᅇ⟅⪅ࡢ≉ᛶ࡟ࡣ࡝ࡢࡼ࠺࡞ࡶࡢࡀ࠶ࡿࡢ࠿㸬௚ࡢタၥࢆඖ࡟᳨ウࡋ࡚ࡳࡿ㸬7ᅗ⾲  ᖺ௦࡜ᅇ⟅ࢹࣂ࢖ࢫᅗ⾲  ࢔࢖ࢸ࣒ẖࡢ೫┦㛵ಀᩘ࢔࢖ࢸ࣒ྡ
⫋ᴗࢣ࣮ࢱ࢖ࡢ✀㢮ᛶู᫬㛫ⓗࡺ࡜ࡾ
࢖ࣀ࣮࣋ࢱᚓⅬᆅᇦ୺࡞⛣ືᡭẁ⤒῭ⓗࡺ࡜ࡾᅗ⾲  ࡛ࡣ㸪ࡑࢀࡒࢀࡢㄝ᫂ኚᩘࡢタၥࡈ࡜ࡢࢧࣥࣉࣝᩘཬࡧ㸪ㄝ᫂ኚᩘࡢ࢝ࢸࢦ࣮ࣜࢫࢥ࢔ࢆ
♧ࡋ࡚࠸ࡿ㸬࢝ࢸࢦ࣮ࣜࢫࢥ࢔࡛㈇ࡢ್ࡣ㸪ࠕࢫ࣐࣍ᅇ⟅ഴྥ࡛ࠖ࠶ࡾ㸪ṇࡢ್ࡣࠕࣃࢯࢥࣥᅇ⟅ഴྥ࡛ࠖ࠶ࡿ㸬 ࡑࢀ࡛ࡣ࢔࢖ࢸ࣒ࡈ࡜࡟⪃ᐹࡋ࡚࠸ࡃ㸬᭱ࡶ೫┦㛵ኚᩘ㧗࠸㸪ࠕ⫋ᴗࠖࢆぢࡿ࡜㸪ࠕᏛ⏕ࠖࡀࢫ࣐
࣍ᅇ⟅ഴྥ࡟኱ࡁࡃഴ࠸࡚࠸ࡿ㸬ࡲࡓ㸪
ࠕ⮬Ⴀࠖ
ࠕ୺
፬࣭୺ኵࠖ
ࠕ↓⫋ࠖࡣࣃࢯࢥࣥᅇ⟅࡟ഴ࠸࡚࠸ࡿ㸬ࠕᏛ⏕ࠖࡣⱝᖺᒙ୰ᚰ࡛࠶ࡾ㸪ࣃࢯࢥࣥᡤ᭷⋡ࡶ࡝ࡢ⫋ᴗࡼࡾ᭱ࡶప࠸㸪㸣࡛࠶ࡿࡇ࡜ࡀᙳ㡪ࢆ୚࠼࡚࠸ࡿྍ⬟ᛶࡀ࠶ࡿ㸬ࠕ⮬Ⴀࠖࡣࣃࢯࢥࣥᡤ᭷
⋡ࡀ᭱ࡶ㧗࠸ 㸣㸪ࠕ୺፬࣭୺ኵࠖ
ࠕ↓⫋ࠖࡣᖺ㱋ᒙࡀ㧗࠸㸬 ࠕࢣ࣮ࢱ࢖ࡢ✀㢮ࠖ࡟ࡼࡿᅇ⟅ࡢ㐪࠸ࡣ㸪ࠕࢫ࣐࣍ᡤ᭷⪅ࠖࡣࢫ࣐࣍ᅇ⟅࡟ഴ࠸࡚࠸ࡿ㸬ࡓࡔ㸪ࢫ࣐࣍ᡤ᭷⪅࡛࠶ࡗ࡚ࡶ㸪༙ᩘ௨ୖࡣࣃࢯࢥ࡛ࣥᅇ
⟅ࡋ࡚࠸ࡿ㸬ⱝᖺᒙࡢከࡃࡣࢫ࣐࣮ࢺࣇ࢛ࣥࢆᡤ
᭷ࡋ࡚࠸ࡿ㸬ࣃࢯࢥࣥࢆᡤ᭷ࡋ࡚࠸ࡿሙྜࡣ㸪ࣃࢯࢥ࡛ࣥᅇ⟅ࡍࡿഴྥࡀぢࡽࢀࡓ㸬⥆࠸࡚㸪ࠕᛶูࠖࢆぢࡿ࡜㸪ࠕ⏨ᛶࠖࡣࣃࢯࢥࣥ
ᅇ⟅ഴྥ㸪
ࠕዪᛶࠖ
ࡣࢫ࣐࡛࣍ࡢᅇ⟅ഴྥ࡛࠶ࡗࡓ㸬ࡉࡽ࡟㸪ࠕ᫬㛫ⓗࡺ࡜ࡾࠖࢆࡳࡿ࡜㸪ࠕ᫬㛫ⓗࡺ࡜ࡾࡀ࠶ࡿࠖேࡣࣃࢯࢥࣥᅇ⟅ẚ⋡ࡀ㧗ࡃ㸪ࠕ᫬㛫ⓗࡺ࡜ࡾࡀ࡞࠸ࠖ
ேࡣࢫ࣐࣍ᅇ⟅ẚ⋡ࡀ㧗ࡃ࡞ࡿ㸬  ࡑࡶࡑࡶࣃࢯࢥࣥ࡜ࢫ࣐࣮ࢺࣇ࢛ࣥࡢ౑࠸᪉ࡣ
ࠕ⭜ࢆᤣ࠼࡚ࡌࡗࡃࡾ࡜ఱ࠿ࢆࡋࡼ࠺࡜ࡍࡿ࡜ࣃ
ࢯࢥࣥࡀ㸪ᛮ࠸❧ࡗࡓ᫬࡟ࡍࡄࡑࡢሙ࡛⾜ືࡋࡼ࠺࡜ࡍࡿ࡜ࢫ࣐࣮ࢺࣇ࢛ࣥࡀ㑅ࡤࢀࡿࠖ㸦࢖ࣥࢱ࣮ࢿࢵࢺⓑ᭩⦅㞟ጤဨ఍ ഴྥࡀ࠶ࡿࡼ࠺
࡛㸪ࡇࡢࡼ࠺࡞ㄪᰝ࡟࠾࠸࡚ࡶ㸪ࡑࡢഴྥࡀᘬࡁ
⥅ࡀࢀࡓྍ⬟ᛶࡀ࠶ࡿ㸬ࡲࡓ㸪ᅇ⟅ࡍࡿࢩ࣮ࣥࡶ㛵㐃ࡋ࡚࠸ࡑ࠺࡛࠶ࡿ㸬ࢫ࣐࣮ࢺࣇ࢛ࣥ࡟ SNS ࠿ࡽࡢࣉࢵࢩࣗ㏻▱ࡀ᮶࡚㸪✵࠸࡚࠸ࡿ᫬㛫㸪౛࠼ࡤᖐᏯ㏵୰ࡢ㟁㌴ࡢ୰
࡛㸪ㄪᰝ࡟⟅࠼ࡿ㸬ࡑࡋ࡚㸪ㄪᰝࡀ⤊ࢀࡤ㸪ࡲࡓ
LINE ࡞࡝⾜࠺㸬᫬㛫ⓗࡺ࡜ࡾࡀ࡞࠸ே࡛ࡶ㸪ㄪ㸬ᩘ㔞໬⌮ㄽ➨ϩ㢮ࢆ⏝࠸ࡓࠕࣃࢯࢥࣥᅇ
⟅⪅ࠖ࡜ࠕࢫ࣐࣮ࢺࣇ࢛ࣥᅇ⟅⪅ࠖࡢ≉ᛶศᯒ
๓㏙ࡢ㏻ࡾ㸪ᖺ௦࡟ࡼࡿᙳ㡪ࡀ኱ࡁ࠸ࡇ࡜ࡣ᫂
ࡽ࠿࡛࠶ࡿࡓࡵ㸪ᖺ௦ࢆ㝖࠸ࡓኚᩘࢆ⏝࠸࡚㸪ࠕࢫ࣐࣮ࢺࣇ࢛ࣥ࡟࡚ᅇ⟅ࠖࠕࣃࢯࢥࣥ࡟࡚ᅇ⟅ࠖࢆ┠ⓗኚᩘ࡜ࡋ㸪ᩘ㔞໬⌮ㄽ➨ϩ㢮ࢆ⏝࠸࡚ศᯒࢆ࠾
ࡇ࡞ࡗࡓ㸬ㄝ᫂ኚᩘ࡟౑ࡗࡓ㡯┠ࡣᅗ⾲  ࡢ㏻ࡾ㸪ࣛ࢖ࣇࢫࢱ࢖ࣝࡸࢫ࣐࣭࣍ࢣ࣮ࢱ࢖ࡢᡤ᭷≧ἣ࡛࠶ࡿ㸬ᅗ⾲  ㄝ᫂ኚᩘ
኱ู

ࢫࢣ࣮ࣝ

ᴫせ

㹇㹁㹒

ࢣ࣮ࢱ࢖ࡢ✀㢮᭱ࡶࡼࡃ౑࠺ࢣ࣮ࢱ࢖ࡢ✀㢮୺࡞⛣ືᡭẁእฟ᫬ࡢ୺࡞஺㏻ᡭẁࣛ࢖ࣇ࢖ࣀ࣮࣋ࢱᚓⅬ࢖ࣀ࣮࣋ࢱࢫࢣ࣮ࣝ࡟㛵ࡍࡿࢫࢱ࢖㸦㣬ᡞ㸧 㡯┠ࡢᅇ⟅⤖ᯝࢆᚓⅬ໬ࣝ᫬㛫ⓗࡺ࡜ࡾ ẁ㝵ࡢᑻᗘ⤒῭ⓗࡺ࡜ࡾ ẁ㝵ࡢᑻᗘ

ᒓᛶ

ᛶู

㸫

⫋ᴗ

㸫

ᒃఫᆅᇦ

඲ᅜࢆ㸯㸯༊ศ

೫┦㛵ಀᩘ
 ఩

 ఩

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
 ఩
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 ఩
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 ఩
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


ศᯒࡢ⤖ᯝ㸪ᅗ⾲  ࡟♧ࡍ㏻ࡾ㸪೫┦㛵ಀᩘࡀ⟬ฟࡉࢀ㸪ᅗ⾲  ࡢ㏻ࡾ㸪࢝ࢸࢦ࣮ࣜࢫࢥ࢔ࡀ⟬ฟࡉࢀࡓ㸬ᙜ⤖ᯝࡢุูⓗ୰⋡ࡣ 㸣㸪┦㛵ẚ ࡜Ỵࡋ࡚㧗࠸್࡛ࡣ࡞࠸ࡀ㸪೫┦㛵ಀᩘࡢ኱ࡁࡉࡢ㡰ᗎ㸪࢝ࢸࢦ࣮ࣜࢫࢥ࢔ࡢ್➼࠿ࡽ㸪ᅇ⟅ഴྥࢆぢ࡚࠸ࡁࡓ࠸㸬ᅗ⾲  ࡢ೫┦㛵ಀᩘࢆぢࡿ࡜㸪᭱ࡶ㛵ࢃࡾࡢᙉ࠸ኚᩘࡣࠕ⫋ᴗ࡛ࠖ࠶ࡗࡓ㸬ࡲࡓ㸪ࠕࢣ࣮ࢱ࢖ࡢ✀㢮ࠖࡸࠕᛶࠖ࡟ࡘ࠸࡚ࡶ㸪௚ࡢ㡯┠࡜ẚ㍑ࡋ㧗࠸ഴྥࢆ♧ࡋࡓ㸬

8


㸬
ࠕࣃࢯࢥࣥᅇ⟅⪅ࠖ࡜ࠕࢫ࣐࣮ࢺࣇ࢛ࣥᅇ
⟅⪅ࠖࡢᅇ⟅ഴྥ ࡇࡢࡼ࠺࡟㸪ᅇ⟅ࢆ⾜ࡗࡓࢹࣂ࢖ࢫࡢ㐪࠸࡟ࡼࡾ≉ᛶ࡟ᕪ␗ࡀぢࡽࢀࡓࡀ㸪ᐇ㝿ࡢᅇ⟅࡛ࡣ࡝ࡢࡼ࠺࡞㐪࠸ࡀぢࡽࢀࡓ࠿㸪 ࡘࡢ౛ࢆ♧ࡋ㸪⪃ᐹࡋ࡚ࡳࡿ㸬 ࣛ࢖ࣇࢫࢱ࢖ࣝࢆᑜࡡࡿタၥࡢ୰࡛㸪࢖ࣀ࣮࣋
ࢱᚓⅬࡢഴྥࢆࡳࡿ࡜㸪඲ୡ௦࡟࠾࠸࡚㸪ࢫ࣐࣮ࢺࣇ࢛ࣥࢆ฼⏝ࡋࡓᅇ⟅⪅ࡢ᪉ࡀ㸪ࣃࢯࢥࣥࢆ฼
⏝ࡋࡓᅇ⟅⪅࡜ẚ㍑ࡋ㸪㧗࠸ഴྥ࡛࠶ࡿ㸬ࡑࡢഴྥࡣ㸪ⱝᖺᒙ㸦 ௦㸧࡜㧗㱋ᒙ㸦 ௦㸧࡛ᕪࡀᗈࡀࡿഴྥࡀぢࡽࢀࡿ㸬ᅗ⾲ ᅇ⟅ࢹࣂ࢖ࢫู࡟ࡳࡿ࢖ࣀ࣮࣋ࢱᚓⅬศᕸ࡜ᖺ௦

ᰝ࡟ᅇ⟅ࡍࡿࡇ࡜ࡣ㸪ᐜ࡛᫆ࡣ࡞࠸ࡔࢁ࠺࠿㸦ᐑୗබ୍㸧㸬೫┦㛵ಀᩘࡣప࠸ࡀ㸪୺࡞஺㏻ᡭ
ẁࢆぢࡿ࡜㸪
ࠕ㕲㐨ࠖࡸࠕࣂࢫࠖࢆᡭẁࡋ࡚࠸ࡿே
ࡣ㸪ࢫ࣐࣮ࢺࣇ࢛࡛ࣥᅇ⟅ࡋࡓேࡢ๭ྜࡀ௚ࡼࡾ㧗࠸㸬ᅗ⾲ ᩘ㔞໬⌮ㄽ➨ϩ㢮ࢆᅇ⟅ഴྥࡢ࢝ࢸࢦ࣮ࣜ
ࡢุู⤖ᯝ
䜰䜲䝔䝮
ྡ

⫋ᴗ

䜿䞊䝍䜲
✀㢮

ᛶู

᫬㛫ⓗ
䜖䛸䜚

䜲䝜䝧䞊
䝍ᚓⅬ

ᆅᇦ

䜹䝔䝂䝸䞊 䝃䞁䝥䝹 䝟䝋䝁䞁
䞊
ྡ
ᩘ
ᅇ⟅๭ྜ

䜹䝔䝂䝸䞊䝇䝁䜰
㻙㻝

㻜

఍♫ဨ

㻝㻘㻣㻡㻝

㻢㻢㻚㻝㻑

㻙㻜㻚㻝

බົဨ

㻞㻞㻣

㻢㻥㻚㻢㻑

㻜㻚㻜

୺፬䞉୺ኵ

㻥㻣㻟

㻣㻡㻚㻣㻑

Ꮫ⏕

㻠㻢㻜

㻞㻣㻚㻠㻑

⮬Ⴀ

㻟㻣㻝

㻤㻠㻚㻥㻑

䝟䞊䝖

㻢㻤㻜

㻢㻡㻚㻟㻑

䛭䛾௚

㻝㻝㻡

㻣㻟㻚㻥㻑

↓⫋

㻝㻘㻜㻟㻢

㻤㻡㻚㻡㻑

䜿䞊䝍䜲

㻝㻘㻜㻡㻞

㻥㻡㻚㻤㻑

㻝

㻜㻚㻠

㻙㻝㻚㻤

㻜㻚㻡
㻜㻚㻜
㻜㻚㻝
㻜㻚㻠
㻝㻚㻜

㻞㻘㻥㻜㻞

㻡㻤㻚㻤㻑

㻡㻠㻜

㻢㻣㻚㻜㻑

ᮍᡤ᭷

㻝㻘㻝㻝㻥

㻣㻠㻚㻠㻑

㻜㻚㻞

⏨

㻞㻘㻤㻞㻟

㻣㻡㻚㻝㻑

㻜㻚㻟

ዪ

㻞㻘㻣㻥㻜

㻢㻠㻚㻝㻑

㻥㻠㻠

㻤㻜㻚㻤㻑

㻜㻚㻞

㻣㻠㻚㻟㻑

㻜㻚㻞

䛒䜎䜚䛺䛔

㻝㻘㻢㻣㻤

㻢㻠㻚㻝㻑

㻙㻜㻚㻝

䛺䛔

㻝㻘㻝㻞㻣

㻢㻜㻚㻤㻑

㻙㻜㻚㻟

㧗

㻝㻘㻡㻤㻟

㻢㻝㻚㻜㻑

㻙㻜㻚㻝

୰

㻞㻘㻞㻢㻟

㻣㻝㻚㻥㻑

㻜㻚㻝

ప

㻝㻘㻣㻢㻣

㻣㻠㻚㻡㻑

㻜㻚㻝

㻞㻟㻡

㻣㻠㻚㻜㻑

㻜㻚㻞

ᮾ໭

㻟㻥㻥

㻣㻜㻚㻥㻑

㻜㻚㻜

໭㛵ᮾ

㻟㻜㻥

㻢㻡㻚㻣㻑

㻙㻜㻚㻞

༡㛵ᮾ

㻝㻘㻢㻞㻥

㻢㻤㻚㻥㻑

⏥ಙ㉺

㻞㻟㻝

㻢㻥㻚㻣㻑

໭㝣

㻝㻟㻟

㻢㻠㻚㻣㻑

ᮾᾏ

㻢㻠㻥

㻣㻜㻚㻝㻑

㻜㻚㻜

㏆␥

㻥㻝㻢

㻣㻜㻚㻞㻑

㻜㻚㻜

୰ᅜ

㻟㻝㻥

㻣㻞㻚㻝㻑

ᅄᅜ

㻝㻢㻥

㻣㻝㻚㻜㻑

㻜㻚㻜

஑ᕞ

㻢㻞㻠

㻢㻤㻚㻥㻑

㻙㻜㻚㻝

ᚐṌ

㻥㻟㻠

㻣㻝㻚㻞㻑

㻞㻞㻟

㻢㻢㻚㻤㻑

஧㍯㌴

㻤㻠㻞

㻢㻥㻚㻝㻑

























㸣
㸣
㸣
㸣
㸣
㸣
㸣
㸣

 ௦ ௦
඲య

໭ᾏ㐨

㻡㻥㻚㻥㻑

ప

㻙㻜㻚㻟

㻝㻘㻤㻢㻠

㻣㻟㻚㻝㻑

୰

 ௦

䛒䜛

㻥㻤㻤

㧗

ࢧࣥࣉࣝᩘ
ᵓᡂẚ

㻜㻚㻜

䛒䜛⛬ᗘ

㻞㻘㻢㻞㻢

࢖ࣀ࣮࣋ࢱᚓⅬ

㻙㻜㻚㻠

䝇䝬䝩
䛭䛾௚

㕲㐨
୺䛺⛣ື
⮬ᐙ⏝㌴
ᡭẁ
䝞䝇

⤒῭ⓗ
䜖䛸䜚

ࢫ࣐࣍ᅇ⟅㸼㸻㸺ࣃࢯࢥࣥᅇ⟅ഴྥ
㻙㻞

㻙㻜㻚㻟

㻜㻚㻝

㻜㻚㻜
㻙㻜㻚㻝
㻜㻚㻜
㻙㻜㻚㻝
㻜㻚㻝
㻙㻜㻚㻝

㻞㻟㻡

㻢㻤㻚㻡㻑

㻝㻘㻠㻤㻤

㻣㻟㻚㻞㻑

㻜㻚㻝

䛒䜎䜚䛺䛔

㻞㻘㻝㻥㻞

㻢㻥㻚㻡㻑

㻜㻚㻜

䛺䛔

㻝㻘㻢㻥㻤

㻢㻢㻚㻤㻑

㻙㻜㻚㻝

ࣃࢯࢥࣥ
ࢫ࣐࣍
ࣃࢯࢥࣥ
ࢫ࣐࣍
ࣃࢯࢥࣥ
ࢫ࣐࣍

ྠࡌࡼ࠺࡞ᅇ⟅ഴྥࡣ㸪ICT ࡟㛵ࡍࡿ㉁ၥ࡟࠾
࠸࡚ࡶ㸪⌧ࢀ࡚࠸ࡿ㸬ࢫ࣐࡛࣍㉎ධࡋࡓ┤㏆㸯ࣧ᭶᭷ᩱࢥࣥࢸࣥࢶ㸦஺㏻᝟ሗࡸ᪂⪺♫ࡢࢧ࢖ࢺ࡞
࡝㸧ࡢ௦㔠ࢆᑜࡡࡓ࡜ࡇࢁ㸪ᅗ⾲  ࡢࡼ࠺࡟㸪ࢫ࣐࣮ࢺࣇ࢛ࣥᅇ⟅⪅ࡢ᪉ࡀ㸪඲ᖺ௦࡟࠾࠸࡚㧗࠿ࡗࡓ㸬ᅗ⾲ ᅇ⟅ࢹࣂ࢖ࢫู࡟ࡳࡿ᭷ᩱࢥࣥࢸࣥࢶࡢ
฼⏝ᩱ㔠࡜ᖺ௦
ᅇ⟅᭷ᩱࢥࣥࢸࣥࢶࡢ฼⏝
ᖺ௦
ࢹࣂ࢖ࢫ
ᩱ㔠㸦 ࣧ᭶࠶ࡓࡾ㸧
ࣃࢯࢥࣥ

 ௦
ࢫ࣐࣍

ࣃࢯࢥࣥ

 ௦
ࢫ࣐࣍

ࣃࢯࢥࣥ

 ௦
ࢫ࣐࣍

ࣃࢯࢥࣥ

඲య
ࢫ࣐࣍


㻜㻚㻜

䛒䜛

ࢫ࣐࣍



㻜㻚㻜

䛒䜛⛬ᗘ

ࣃࢯࢥࣥ



9


ࡲࡓ㸪ᅗ⾲  ࡟♧ࡋࡓࡢࡣ㸪*RRJOH+RPH ࡞࡝ࡢ㡢ኌ $, ᦚ㍕ࢫࣆ࣮࣮࢝ࡢㄆ▱ᗘ࡛࠶ࡿ㸬᪂ࡋ࠸ࢧ࣮ࣅࢫ࡬ࡢㄆ▱ᗘࢆ⪺࠸ࡓࡇࡢタၥ࡟ᑐࡋ㸪ⱝᖺᒙ࡛ࡣࣃࢯࢥࣥᅇ⟅⪅ࡢ᪉ࡀ㧗࠸ࡃ㸪୰㛫ᒙ࡛ࡣ࠶ࡲࡾᕪ␗ࡣ࡞ࡃ㸪㧗㱋ᒙ࡛ࡣࢫ࣐࣮ࢺࣇ࢛ࣥ
ᅇ⟅⪅ࡢ᪉ࡀ㧗࠸㸬 ࡇࢀࡣ㸪ࣃࢯࢥࣥࡢᡤ᭷⋡࡟ࡶ㛵ಀࡋ࡚࠸ࡿྍ
⬟ᛶࡀ࠶ࡿ㸬ྠㄪᰝ࡟࠾࠸࡚㸪⮬㌟ࡢࣃࢯࢥࣥࡀ
ᡤ᭷ࡋ࡚࠸ࡿ࠿㸪ᑜࡡࡓ࡜ࡇࢁ㸪ⱝᖺᒙ࡯࡝ᡤ᭷
⋡ࡣప࠸ഴྥࡀぢࡽࢀࡓ㸬ලయⓗ࡟ࡣ  ௦ᚋ༙࡛ࡣ 㸣࡜㸪 ே࡟  ேࡋ࠿ᡤ᭷ࡋ࡚࠸࡞࠸ࡀ㸪௦࡜࡞ࡿ࡜㸪 ๭ࡀᡤ᭷ࡋ࡚࠸ࡿ㸦ᅗ⾲ 㸧㸬ⱝᖺᒙ࡟࠾࠸࡚ࡣ㸪ࣃࢯࢥࣥࢆᡤᣢࡋ࡚࠸ࡿࡇ
࡜ࡀ㸪㧗㱋ᒙ࡛ࡣ㸪ࢫ࣐࣮ࢺࣇ࢛ࣥࢆᡤᣢࡋ࡚࠸
ࡿࡇ࡜ࡀᑡᩘὴ࡛࠶ࡿ㸬ᅗ⾲ ᅇ⟅ࢹࣂ࢖ࢫู࡟ࡳࡿ㸿㹇ࢫࣆ࣮࣮࢝ࡢ
ㄆ▱ᗘ࡜ᖺ௦
ᅇ⟅

ࢹࣂ࢖ࢫ


ᖺ௦


㸿㹇ࢫࣆ࣮࣮࢝ࡢ

ㄆ▱⋡


㸣
㸣
㸣
㸣
㸣
㸣
㸣
㸣
㸣
㸣
㸣
㸣
㸣
㸣
㸣
㸣

ࣃࢯࢥࣥ


 ௦

ࢫ࣐࣍

ࣃࢯࢥࣥ


 ௦

ࢫ࣐࣍

ࣃࢯࢥࣥ


 ௦

ࢫ࣐࣍

ࣃࢯࢥࣥ


඲య


࡛ᐇ᪋ࡋࡓሙྜ࡟ࡣ㸪ࡇࡢ๭ྜࡀኚࢃࡿྍ⬟ᛶࡶ࠶ࡿ㸬ཧ⪃ࡲ࡛࡟㸪177 ࢻࢥࣔࡀᐇ᪋ࡋ࡚࠸ࡿ G ࣏࢖ࣥࢺࢡࣛࣈ࢔ࣥࢣ࣮ࢺ࡛ࡣ㸪ࣔࢽࢱ࣮ࡢከࡃࡀ㸪ࢫ࣐࣮ࢺࣇ࢛ࣥࢆᡤ᭷ࡋ࡚࠸ࡿ㸬௒ᅇࡢㄪᰝ࡜ྠ
ࡌᐇᰝࢆ⾜ࡗࡓሙྜ㸪ࣔࢽࢱ࣮ࡢ≉ᛶࡢ㐪࠸࠿ࡽ㸪ࢫ࣐࣮ࢺࣇ࢛ࣥᅇ⟅⪅ࡢ๭ྜࡀቑ࠼㸪ࡑࡢ⤖ᯝ௒ᅇࡢㄪᰝ⤖ᯝ࡜␗࡞ࡿྍ⬟ᛶࡶ࠶ࡿ㸬ࡘࡲࡾ௒ᅇࡢศᯒ⤖ᯝ࠿ࡽ᥎ᐹࡉࢀࡿࡇ࡜ࡣ㸪ྠ᫬ᮇ࣭ྠ๭௜࣭ྠタၥ࡛ㄪᰝࢆᐇ᪋ࡋࡓ࡜ࡋ࡚
ࡶ㸪ᅇ⟅࡟ᕪ␗ࡀ⏕ࡲࢀࡿྍ⬟ᛶࢆྰᐃ࡛ࡁ࡞࠸㸬㸬⤊ࢃࡾ࡟
௒ᚋࡉࡽ࡟ࢫ࣐࣮ࢺࣇ࢛ࣥࡀᬑཬࡋ㸪฼ά⏝ࡀ㐍ࡵࡤ㸪࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝ࡟࠾ࡅࡿࢫ࣐࣮ࢺࣇ
࢛ࣥࢆ฼⏝ࡋࡓᅇ⟅⪅ࡣቑ࠼ࡿࡇ࡜ࡀண᝿ࡉࢀࡿ㸬ࡉࡽ࡟⏬㠃ࡢ኱ࡁࡉ㸪ືసࡢ㐪࠸࠿ࡽ㸪࣐ࢺࣜࢵࢡࢫ⾲࡛ᅇ⟅ࢆࡍࡿ㉁ၥ࡟࠾࠸࡚ࡶ㸪ᅇ⟅ᕪ␗ࡀ⏕ࡌࡿྍ⬟ᛶࡀ࠶ࡿ㸬ࡉࡽ࡟㸪ࣃࢯࢥࣥᡤ᭷ࡀᑡ࡞ࡃ㸪ࢸࣞࣅࡢど⫈ࡸ᪂⪺ࡢ㉎ㄞࡶᑡ࡞࠸ⱝᖺᒙࢆㄪᰝ࡬༠ຊࡋ࡚ࡶ
ࡽ࠺࠿㸪ඹ㏻ࡢㄢ㢟ࡀ࠶ࡿ㸬௒ᅇẚ㍑᳨ウࡋࡓㄪᰝ࠿ࡽ㸪ྠᖺ௦࡛࠶ࡗ࡚ࡶ㸪ᅇ⟅࡟ᕪࡀぢࡽࢀࡿࡇ࡜ࡀ♧၀ࡉࢀࡓ㸬ㄪᰝศᯒࢆ⾜࠺㝿㸪ࡑࡢࡼ࠺࡞ᕪࡀ࠶ࡿࡇ࡜ࢆ๓ᥦ࡜ࡍࡿᚲせࡀ࠶ࡿࡢ࡛ࡣ࡞࠸ࡔࢁ࠺࠿㸬

ཧ⪃ᩥ⊩

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5HIHUHQFHVESOMAR. (2016). Global prices study. Amsterdam:
ESOMAR.
ITU (2017), Measuring the Information
Society Report 2017, Volume 1,
https://www.itu.int/en/ITU-D/Statistics/Documents/publications/misr2017/MISR2017_Vol
ume1.pdf
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s-disappear-2017-update-ray-poynter
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handbook of mobile market research: Tools
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York, S., European Research Survey Association
Conference, Lisbon, Portugal 2017

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յඹྠ㏻ಙ㸦௨ୗ㸪ඹྠ㸧㸦㸧ࡢ㡰ࡔࡗࡓ㸬 ୍᪉㸪ྛඪὴࡢண᝿㆟ᖍᩘ㸦ࡢ୰ᚰ㸧࡜ᐇ㝿ࡢ⋓ᚓ㆟ᖍࡢᕪࢆ  ஌ࡋ࡚ຍ⟬ࡋࡓண᝿㆟ᖍࡢ೫ᕪᖹ
㸬᪉࿴㸦H2 ್࡜ᐃ⩏㸧࡛⢭ᗘࢆ᳨ウࡋࡓ㸦ᅗ⾲ 㸧ᅗ⾲ ண᝿㆟ᖍᩘ࡜⋓ᚓ㆟ᖍᩘࡢ೫ᕪᖹ᪉࿴
ᨻඪู⋓ᚓ㆟ᖍᩘ䛸ண᝿㆟ᖍ䛾೫ᕪ䛾㻞஌೫ண♫ྡ⮬Ẹ ᕼᮃ බ᫂ ඹ⏘ ❧᠇ ⥔᪂ ♫Ẹ 䛣䛣䜝 ㅖὴ ↓ᡤᒓ ᕪ ᝿⤖ᯝ䠄ィ䠅 㻞㻤㻝 㻡㻜㻞㻥 㻝㻞 㻡㻠 㻝㻝㻞㻜㻜㻞㻢 ᖹ ㆟
䠄㑅ᣲ༊䠅
䠄ẚ౛༊䠅

㻞㻝㻡
㻢㻢

ㄞ኎䠄ィ䠅
䠄㑅䠅
䠄ẚ䠅
᪥⤒䠄ィ䠅 㻠㻠㻝䠄㑅䠅䠄ẚ䠅ᮅ᪥䠄ィ䠅 㻞㻡
䠄㑅䠅 㻠
䠄ẚ䠅 㻥
ẖ᪥䠄ィ䠅 㻝㻞㻝䠄㑅䠅 㻢㻠䠄ẚ䠅 㻥ඹྠ䠄ィ䠅 㻢㻠䠄㑅䠅 㻟㻢
䠄ẚ䠅 㻠

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
 ᑠ㑅ᣲ༊࡛ᙜ㑅ண᝿ⓗ୰⋡  ఩ࡢ᪥⤒ࡣ㸪H2 ್ࡀ  ࡜኱ࡁ࠸㸬ண᝿㆟ᖍࡢ୰ᚰ್࡜ࡋ࡚⣬㠃ሗ㐨ࡢࠕ᭷ຊࠖ
ࠕඃໃࠖࡢྜィ್ࢆ⏝࠸ࡓࡓࡵ࡛࠶ࡾ㸪ࡇࢀࡣண᝿㆟ᖍᩘࡢ୰ᚰ࡛ࡣ࡞࠸ྍ⬟ᛶࡀ࠶ࡿ㸬ண᝿㆟ᖍᩘࢆ⾲ᙧᘧ࡛ሗ㐨ࡋࡓ♫ࡢ୰࡛ࡣ㸪ẖ
᪥ࡢ H2 ್ࡀ୍␒ᑠࡉࡃ㸪⢭ᗘࡀ㧗࠿ࡗࡓ࡜࠸࠼ࡿ㸬23ࡋ࠿ࡋ㸪ᅗ⾲  ࠿ࡽศ࠿ࡿࡼ࠺࡟㸪ẖ᪥ࡢண᝿㆟ᖍࡣㄗᕪᖜࢆ㉸࠼࡚እࡋ࡚࠸ࡿࡶࡢࡀከ࠸㸬ẖ᪥ࡢㄗᕪᖜࡀ௚♫࡟ẚ࡭࡚ᴟ➃࡟⊃࠸࠿ࡽ࡛࠶ࡿ㸬ᅗ⾲ ࡣሗ㐨ࡉࢀࡓண᝿㆟ᖍࡢࠕ㸦ୖ㝈㸫ୗ㝈㸧
¹࡛ࠖィ⟬ࡋࡓㄗᕪᖜࢆ඲య㸪㑅ᣲ༊㸪ẚ౛༊ู࡟ᩚ⌮ࡋࡓࡶࡢ࡛࠶ࡿ㸬ẖ᪥ࡢㄗᕪᖜࡣẚ౛༊࡛࡜ࡃ࡟
⊃ࡃ࡞ࡗ࡚࠸ࡿ㸬ྛ㑅ᣲ༊࡛ೃ⿵⪅࡟ᙜ㑅☜⋡ 3 ࢆ୚࠼ࡓሙྜ㸪࠶ࡿᨻඪࡢ㑅ᣲ༊࡛ࡢண᝿㆟ᖍࡣᡤᒓೃ⿵ࡢᙜ㑅☜⋡ 3 ࢆ⏝࠸࡚ḟᘧࡢࡼ࠺࡟
㸦ண᝿㆟ᖍࡢ୰ᚰ㸧ߑܲs ㄗᕪ㸧ͳǤͻ͸ඥߑܲሺͳ െ ܲሻண᝿㆟ᖍࡢ୰ᚰ್࡜ୗ㝈࣭ୖ㝈ࡀᴫ⟬࡛ࡁࡿ㸬ᅗ⾲ ࡢ㑅ᣲ༊ḍ࡟࠶ࡿࠕ᭱኱ㄗᕪᖜsࠖࡣྛᨻඪࡢೃ
⿵⪅඲ဨࡀ⃭ᡓ 3  ࡜௬ᐃࡋࡓሙྜࡢㄗᕪᖜ
࡛࠶ࡿ㸬㏫࡟බ⾲ࡉࢀࡓㄗᕪᖜ࠿ࡽ᥋ᡓࢆྵࡴᙜ
ⴠத࠸ࡢ㑅ᣲ༊ᩘࡀㄞࡵࡿ 㑅ᣲ༊ḍୗ᪉⥙᥃㸧㸬ᅗ⾲ ሗ㐨ྛ♫ࡢ㆟ᖍ᥎ィㄗᕪᖜ㸦୰ᚰsㄗᕪᖜ㸧સର⮬Ẹ ᕼᮃ බ᫂ ඹ⏘ ❧᠇ ⥔᪂ ♫Ẹ 䛣䛣䜝 ㅖὴ ↓ᡤ֭ಚ٠ੰ਼㻞㻤㻝 㻡㻜 㻞㻥 㻝㻞 㻡㻠 㻝㻝 㻞
㻜
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ಣജ

 
ೖ‫       ܨ‬
 
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
௉ೖ       
 
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ຘೖ 
  ‫ڠ‬ಋ       મ‫ۢڏ‬⮬Ẹ ᕼᮃ බ᫂ ඹ⏘ ❧᠇ ⥔᪂ ♫Ẹ 䛣䛣䜝 ㅖὴ ↓ᡤ֭ಚ٠ੰ਼㻞㻝㻡 㻝㻤 㻤㻝 㻝㻣 㻟
㻝
㻙
㻜 㻞㻢
ཱིޫึं਼
㻞㻣㻣 㻝㻥㻤 㻥 㻞㻜㻢 㻢㻟 㻠㻣 㻝㻥 㻜 㻠㻠 㻣㻟࠹୉‫ࠫޣ‬෱± 㻝㻢 㻝㻠 㻞㻚㻥 㻝㻠 㻣㻚㻤 㻢㻚㻣 㻠㻚㻟 㻜 㻢㻚㻡 㻤㻚㻠ಣജೖ‫ܨ‬ ௉ೖ        ຘೖ        
‫ڠ‬ಋ       ㄗᕪᖜ䛛 ௉ೖ
䜙᥎ᐃ䛧
ຘೖ
䛯⃭ᡓ㑅
ᣲ༊䛾ᩘ ‫ڠ‬ಋ


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
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

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ർྭۢ
⮬Ẹ ᕼᮃ බ᫂ ඹ⏘ ❧᠇ ⥔᪂ ♫Ẹ 䛣䛣䜝 ㅖὴ ↓ᡤ֭ಚ٠ੰ਼㻢㻢 㻟㻞 㻞㻝 㻝㻝 㻟㻣
㻤
㻝
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㻙
ಣജ
ೖ‫ܨ‬
௉ೖ         ຘೖ         ‫ڠ‬ಋ         ὀ㸧⥙᥃㒊ศࡢィ⟬ࡣ㸪ㄗᕪ G=ͳǤͻ͸ඥߑܲሺͳ െ ܲሻ࡟ᑐࡋ࡚㸪᥋ᡓ(P=0.5)ࡢ㑅ᣲ༊ᩘ s ࡜ࡋ࡚௚ࡣ P=1 ࡲࡓࡣ 0 ࡜௬ᐃࡍࡿ࡜㸪s = (G/1.96/0.5)2 ࡜ᴫ⟬࡛ࡁࡿ㸬

㻡㻜
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24



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❧᠇

㻝㻡䡚 㻝㻤 䡚㻞㻜㻟㻡䡚 㻠㻡 䡚㻢㻜

㻝㻝
㻟
㻤

⥔᪂

㻡䡚 㻝㻜 䡚㻝㻢㻞㻤䡚 㻟㻞 䡚㻟㻢㻢䡚 㻤 䡚㻥㻝㻤䡚 㻞㻝 䡚㻞㻢㻜䡚 㻝 䡚㻟㻝㻝䡚 㻝㻠 䡚㻝㻣㻌㻣䡚 㻝㻝 䡚㻝㻢㻞㻣䡚 㻟㻜 䡚㻟㻟㻜䡚 㻟 䡚㻢㻌㻢䡚 㻥 䡚㻝㻞㻔㻝㻣㻚㻡㻕㻟㻜 䡚 㻟㻝
㻔㻟㻜㻚㻡㻕㻢㻣 䡚 㻣㻝

㻔㻢㻥㻕

䠄ẚ౛༊䠅

㻞
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♫Ẹ

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䛣䛣䜝

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ㅖὴ

㻞㻢
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↓ᡤᒓ

ㄪᰝ᪥ ᭷ຠᩘ䞉ᅇ⟅⋡ὀ䠅ᕥഃ䛻䛒䜛㑅ᣲ⤖ᯝ䛻䛿
㏣ຍබㄆ䛿ྵ䜎䛺䛔ᥖ㍕᪥㻝䡚 㻝 䡚㻞㻜䡚 㻜 䡚㻜㻜䡚 㻜 䡚㻜㻝㻡䡚 㻞㻤 䡚㻟㻡㻟㻠䡚 㻟㻥 䡚㻠㻟㻝㻥䡚 㻞㻞 䡚㻞㻢㻣䡚 㻤 䡚㻥㻞㻢䡚 㻟㻜 䡚㻟㻡㻔㻞㻞㻚㻡㻕㻞㻝 䡚 㻞㻠

㻥㻔㻟㻝㻚㻡㻕㻟㻜 䡚 㻟㻟㻝㻜䡚 㻝㻠 䡚㻝㻣㻜䡚 㻜 䡚㻞㻝㻜䡚 㻝㻠 䡚㻝㻥㻔㻝㻟㻚㻡㻕㻝㻜 䡚 㻝㻣

㻝㻔㻝㻠㻚㻡㻕㻝㻝 䡚 㻝㻤㻝㻤䡚 㻞㻝 䡚㻞㻡㻌㻣䡚 㻝㻞 䡚㻝㻣㻞㻡䡚 㻟㻟 䡚㻠㻞㻔㻟㻠㻕㻟㻟 䡚 㻟㻡㻔㻝㻟㻕㻝㻞 䡚 㻝㻠㻔㻠㻣㻕㻠㻡 䡚 㻠㻥㻌㻤䡚 㻝㻝 䡚㻝㻟㻌㻞䡚 㻢 䡚㻝㻜㻝㻜䡚 㻝㻣 䡚㻞㻟

㻔㻢㻚㻡㻕

㻢䡚㻣

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㻔㻝㻝㻚㻡㻕㻝㻜 䡚 㻝㻟㻜䡚 㻝 䡚㻝㻝䡚 㻝 䡚㻝㻝䡚 㻞 䡚㻞㻜㻝㻝㻜䡚 㻜 䡚㻝㻝䡚 㻝 䡚㻝
㻙㻜䡚 㻜 䡚㻜

㻙

㻜

㻜

㻙

㻜

㻜䡚 㻜 䡚㻜㻜䡚 㻜 䡚㻜㻜䡚 㻜 䡚㻝㻜䡚 㻜 䡚㻜㻜䡚 㻜 䡚㻝㻜㻜㻜㻜䡚 㻝 䡚㻝

ʤ໨ʥඹྠ䞉ཧ↷ ඹྠ䞉ཧ↷ୡᖏุ᫂ᩘ䛿ᮍ㻝㻜㻛㻝㻟㻔㔠㻕
ʤ݆ʥ
グ㍕䚸᭷ຠᅇ⟅䚷䡚㻝㻡㻔᪥㻕ᩘ䛿㻣୓㻟㻜㻤㻣

㻙㻝㻠䡚 㻞㻜 䡚㻞㻡ୡᖏุ᫂ᩘ䛿㻝㻝
㻝㻜㻛㻝㻜㻔ⅆ㻕 ୓㻤㻥㻜㻝䚸᭷ຠᅇ㻝㻠䡚 㻞㻜 䡚㻞㻡 ʤ໨ʥ
䚷䡚㻝㻝㻔Ỉ㻕 ⟅ᩘ䛿㻥୓㻞㻢㻝䠄ᅇ⟅⋡㻣㻢㻑䠅

㻙㻔㻞㻜㻚㻡㻕㻝㻤 䡚 㻞㻟

㻔㻞㻜㻚㻡㻕㻝㻤 䡚 㻞㻟

㻙㻝㻥䡚 㻞㻠 䡚㻞㻥ὀ 4㸧᪥⤒ࡣᚑ᮶ࡢໃຊࢢࣛࣇࡢ௦ࢃࡾ࡟㸪ࠕண᝿⋓ᚓ㆟ᖍࠖࡢ⾲ࢆᥖ㍕ࡋࡓ㸬ὀ㻝䠅ண᝿㆟ᖍ䛾ⓗ୰ᗘྜ䛔䛿䠈୰ᚰ್䜢ᙜ䛶䛯䜒䛾䛿⥙᥃䠈ㄗᕪᖜ䜢㉸䛘䛶እ䛧䛯䜒䛾䛿㽢䛷༊ศ䛡䛧䛯䠊ࠕඃໃࠖࠕྍ⬟ᛶࠖ࡜ 3 ศ㢮ࡋ㸪ࠕ᭷ຊࠖࢆୗ㝈࡜ࡋ㸪ࠕඃໃࠖḍ࡟ࡣ
ὀ㻞䠅ண᝿㆟ᖍⓗ୰䛾ホ౯䛿ྛ♫䛾ሗ㐨ᩘ್䛻䜘䜚Ⅽ䛥䜜䛯䠊᪥⤒䛾⮬Ẹ䞉❧᠇䛿ㄗᕪᖜ䛜ᗈ䛔䛯䜑ண᝿䛜እ䜜䛶䛔䛺䛔䠊ẖ᪥䛿ㄗᕪሙ䛜⊃䛔䛯䜑እ䜜䛜┠❧䛴䠊 ࠕ᭷ຊࠖࠕ᭷ຊࠖࡶྵࡵࡓᩘࢆ⾲♧ࡋ࡚୰ᚰ್ࡢ௦᭰࡟ࡋࠊ
ࠕྍ⬟ᛶࠖࡣୖ㝈࡟࡞ࡿᙧὀ㻟䠅ண᝿㆟ᖍᩘ䜢⾲䛷᫂♧䛫䛪䛻䜾䝷䝣䛷බ⾲䛧䛯ㄞ኎䛚䜘䜃ᮅ᪥䛾㏿ሗሗ㐨䛻䛴䛔䛶䛿ホ౯䛧䛶䛔䛺䛔䠊ẖ᪥䛾ᗎ┙ሗ㐨䛿ඹྠ㏻ಙ䛾ண᝿㆟ᖍᩘ䛸ྠ䛨䠊࡛⾲⌧ࡋࡓ㸬ୖグ᪥⤒ḍࡢண᝿㆟ᖍࡢ୰ᚰࡣࠕඃໃࠖḍࡢᩘ್ࢆ⏝࠸࡚࠸ࡿ㸬ẖ᪥ࡣ୰ᚰ್ࢆᥖ♧ࡋ࡚࠸࡞࠸ࡢ࡛㸪ୗ㝈࡜ୖ㝈ࡢᖹᆒ್ࢆ୰ᚰ࡜ぢ❧࡚ࡓ㸬㻢㻟䡚 㻢㻤 䡚㻣㻝䠄㑅ᣲ༊䠅 㻞㻝㻜䡚 㻞㻞㻝 䡚㻞㻟㻠 㻝㻟䡚 㻞㻝 䡚㻞㻥㻞㻣㻟䡚 㻞㻤㻥 䡚㻟㻜㻡 㻠㻣䡚 㻢㻜 䡚㻣㻞㻝㻞 䡚 㻞㻟

㻔㻠㻤㻕

㻔㻞㻥㻞㻕

㻔㻞㻞㻟㻕

㻠㻞 䡚 㻡㻠㻞㻤㻝 䡚 㻟㻜㻟⮬Ẹ䛂ᑠ㑅ᣲ༊䈈㻞㻞㻜⛬ᗘ䛷ඃໃ䛰䛃䛂ẚ౛௦⾲䈈㻢㻤㆟ᖍ䈈䛃䠋❧᠇䛂➨㻟ඪ䛸䛺䜚䛖䜛䛃㻡㻥䡚 㻢㻥 䡚㻣㻢㻞㻝㻠 䡚 㻞㻟㻞

䠄ẚ౛༊䠅

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ㄞ኎䞉ཧ↷
㻝㻜㻛㻝㻜㻔ⅆ㻕䠄ㄞ኎䞉᪥⤒䛿୍⣙ 㻞㻜㻜㆟ᖍ䚸ẚ౛௦⾲䠄ྠ㻝㻣㻢䠅䛷⣙⣙ 㻡㻡㆟ᖍ䛰䛳䛯䛃䠋බ᫂䛂බ♧๓䛾㻟㻟 㻠㆟ᖍ䛾☜ಖ䛻䜑䛹䛜䛴 ʤ໨ʥ
⮬Ẹ䛂䛄᭷ຊ䛅䜎䛯䛿䛄ඃໃ䛅䛸䛺䛳䛯䛾䛿䚸ᑠ㑅ᣲ༊䠄ᐃᩘ㻞㻤㻥䠅䛷⣙䚷䡚㻝㻝㻔Ỉ㻕⥴䛻ㄪᰝ䛧䛯䠅
䛝䛭䛖䛰䛃䠋ᕼᮃ䛂ᮾி䈈඲㻞㻡㑅ᣲ༊䛾䛖䛱㻟㻟 ㆟ᖍ䛃䛂඲ᅜⓗ䛻䜒Ẹ㐍ฟ㌟⪅䜢୰ᚰ䛻㻟㻟 㻜㆟ᖍᙅ䛸䚸㑅ᣲ༊䛷䛾ⱞᡓ䜢䛖䛛䛜䜟䛫䜛⤖ᯝ䛰䛃䛂ẚ౛௦⾲䜢ྵ䜑䛯㻣㻣 㻜㆟ᖍ䛛䜙䛹䛣䜎䛷ୖ✚䜏䛷䛝䜛䛛䛾຾㈇䛃䠋❧᠇䛂ᑠ㑅ᣲ༊䛷㻝㻝 㻜㆟ᖍ㉸䛘䚸ẚ౛௦⾲䛷㻟㻟 㻜㆟ᖍ㉸䛘䛃䛂➨㻟ඪ䜢䛖䛛䛜䛘䛖ໃ䛔䛃䠋ඹ⏘䛂㻞㻞 㻜㆟ᖍᙅ䛃䠋⥔᪂䛂ᆅ┙⣙ 㻝㻜㆟ᖍ䛃䛾኱㜰䜢୰ᚰ䛻⣙⮬Ẹ䛂බ♧๓ໃຊ䠄㻞㻤㻠㆟ᖍ䠅䜢ୖᅇ䜛䛛䛿ᚤጁ䛃䛂ᑠ㑅ᣲ༊䛷䛿㻞㻞 㻜㻜㆟ᖍ䜢㉸䛘䛃䛂ẚ౛༊䜒䈈㻢㻢 㻤㆟ᖍ䛾☜ಖ䜢䛖䛛䛜䛔䛃䛂༢⊂㐣༙ᩘ䜢኱䛝䛟ୖᅇ䜚䛭䛖䛰䛃䠋බ㻝㻜㻛㻝㻜㻔ⅆ㻕 ୡᖏุ᫂ᩘ䛿㻝㻡䠑 䠓㆟ᖍ䜢ୖᅇ䜛ྍ⬟ᛶ䛿䛒䜛䛜䛃䠋❧᠇䛂ໃ䛔䛷䛿ᕼᮃ䜢䛧䛾䛠䛃䛂ᕼᮃ䛻㏕䜛㆟ᖍ䜢☜ ʤ໨ʥ䚷䡚㻝㻟㻔㔠㻕 ୓㻟㻞㻟㻥௳䚸᭷ຠ᫂䛂බ♧๓ໃຊ䠄㻟㻟 㻠㆟ᖍ䠅䜢☜ಖ䛷䛝䜛䛛䛹䛖䛛䠋ᕼᮃ䛂බ♧๓ໃຊ䛾䠑ಖ䛩䜛ྍ⬟ᛶ䜒䛒䜛䛃䠋ඹ⏘䛂බ♧๓ໃຊ䠄㻞㻞 㻝㆟ᖍ䠅䜢☜ಖ䛷䛝䜛䛛䛹䛖䛛䛃䠋⥔᪂䛂බ♧๓ໃຊ䠄㻝㻝 㻠㆟ᖍ䠅䜑䛦䛧䈈኱㜰௨እ䛾ᗈ䛜䜚䛜䜏䜙䜜䛺䛔䛃㻝㻜㻙㻝㻝䛷 ᅇ⟅ᩘ䛿㻤୓㻤㻝㻡㻞㻝㻠㻠䚸㻝㻞㻙㻝㻟 䠄ᅇ⟅⋡㻡㻤㻑䠅ᗎ┙㻞㻢㻣䡚 㻞㻤㻢 䡚㻟㻜㻟 㻠㻡䡚 㻡㻢 䡚㻢㻢 㻞㻠䡚 㻞㻥 䡚㻟㻡 㻝㻝䡚 㻝㻡 䡚㻞㻜 㻟㻠䡚 㻠㻝 䡚㻠㻥 㻌㻢䡚 㻝㻞 䡚㻝㻤㻝䡚 㻝 䡚㻞㻜䡚 㻜 䡚㻜㻜䡚 㻝 䡚㻝㻝㻥䡚 㻞㻠 䡚㻞㻥 ʤౖʥ䛷㻝㻠㻡㑅ᣲ 䛷䛿㻣୓㻡㻝㻥㻜䠈㻠୓㻞㻣㻠㻢䠄㻡㻣㻑䠅༊ᐇ᪋㻝㻥㻥䡚 㻞㻢㻜 䡚㻟㻜㻤 㻠㻢䡚 㻢㻥 䡚㻝㻝㻜 㻞㻤䡚 㻟㻠 䡚㻟㻢䠄㑅ᣲ༊䠅⮬බ㻟㻜㻜㉸䛖䛛䛜䛖䠄ẖ᪥䠅ඹྠ ⮬බ㻟㻜㻜㆟ᖍ䛖䛛䛜䛖䠄⏘⤒䠅
㏻ಙ ᕼᮃ㻌ఙ䜃ᝎ䜏䠄ẖ᪥䞉⏘⤒䠅ẖ᪥ ❧᠇䛻ໃ䛔䠄ẖ᪥䠅⏘⤒ ❧᠇Ẹ୺㻌ಸቑ䜒䠄⏘⤒䠅ᮾி ⮬බሀㄪ䚸ᕼᮃఙ䜃ᝎ䜏䠄ᮾி䠅ᢞ⚊ඛᮍᐃ㻡๭㉸䠄ᮾி䠅ẖ᪥

ඹྠ㏻ಙ䛾䝕䞊䝍䛻䜘䜛ึሗ⮬Ẹ㻌᭱኱㻟㻜㻜㉸䜒❧᠇䛿ໃ䛔ቑ䛩ᕼᮃ䛥䜙䛻ኻ㏿

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ᨻඪู⋓ᚓ㆟ᖍᩘ䠋ண᝿㆟ᖍᩘ䠄ᩘ್ᮍබ⾲♫䛿᪂䛯䛺➨䠍䚸䠎ඪ䛾グ஦ᢤ⢋䠅⮬Ẹ䛂䛄⤯ᑐᏳᐃከᩘ䛅㻔㻞㻢㻝㻕䛻䜒ᒆ䛟ໃ䛔䜢ぢ䛫䛶䛔䜛䛃䛂ᑠ㑅ᣲ༊䛷䛿㻝㻝 㻠㻜ே㉸䛜ඃ఩䛻❧䛱䛃䛂ẚ౛༊䛷䛿㻢㻢 㻜㆟ᖍ๓ᚋ䜢ᅛ䜑䛴䛴䛒䜛䛃䠋බ᫂䛂ᑠ㑅ᣲ༊䛻❧ୡᖏุ᫂ᩘ䛿㻝㻟ሀ ㄪ䛰䛃䛂⮬බ୧ඪ䛷㻟㻟 㻜㻜㆟ᖍ䜢䛖䛛䛜䛖䛃䛃䠋ᕼᮃ䛂ඃ఩䛻❧䛳䛶䛔䜛䛾䛿㻣㻣 ே䛾䜏䛃䛂ᮾி䛷ఙ䜃ᝎ䜣䛷䛚䜚䛃䛂ẚ౛㑅ೃ⿵䛧䛯㻥㻥 ே䛾኱㒊ศ䛜ඃໃ䛃䛂ẚ౛㑅䜒ሀ㻝㻜㻛㻝㻜㻔ⅆ㻕 ୓㻞㻞㻥䚸᭷ຠᅇ⟅ʤ໨ʥ
䛷䜒㻟㻟 㻜㆟ᖍྎ䛻䛸䛹䜎䜚䛭䛖䛃䠋❧᠇䛂᧦❧䛧䛯㻢㻟㑅ᣲ༊୰䚸㻡㻡 㑅ᣲ༊䛷᭷ព䛻❧䛳䛶䛔䜛䛃䛂ẚ౛㑅䛷䜒඲䝤䝻䝑䜽䛷㆟ᖍ䜢⋓ᚓ䛩䜛ぢ㎸䜏䛃䛂බ♧๓䛾㻝㻝 㻡㆟ᖍ䜢䚷䡚㻝㻝㻔Ỉ㻕 ᩘ䛿㻣୓㻤㻞㻤㻡䠄ᅇィ 㻠㻜㆟ᖍ䜢㉸䛘䜛බ⟬䛜኱䛝䛔䛃䠋⥔᪂䛂බ♧๓䛾㻝㻝 㻠㆟ᖍ䜢⥔ᣢ䛷䛝䜛䛛䛹䛖䛛ᚤጁ䛰䛃䠋ඹ⏘䛂බ♧๓䛾㻞㻞 㻝㆟ᖍ䜢ୗᅇ䜛ぢ㏻䛧䛰䛃኱䛝䛟ୖᅇ䜚䚸ィ⟅⋡㻢㻜㻑䠅

ᕼᮃ⮬Ẹ⮬Ẹሀㄪ䚷ᕼᮃఙ䜃䛪❧᠇䛻ໃ䛔䠄㻝㻠㻠㑅ᣲ༊䛻䜘䜛ᴫἣሗ㐨䠅⮬බ䚸㻟㻜㻜㆟ᖍ䛖䛛䛜䛖ᮅ᪥ ᕼᮃ䚸ᮾி䛷㌺୪䜏ⱞᡓ䠄඲㻞㻤㻥㑅ᣲ༊䛻䜘䜛ሗ㐨䠅䠄㑅ᣲ༊䠅 㻞㻜㻤䡚 㻞㻝㻣 䡚㻞㻞㻣 㻝㻣䡚 㻞㻠 䡚㻟㻜୚ඪ䚸㻟㻜㻜㆟ᖍ䛻㏕䜛ໃ䛔᪥⤒ ⮬Ẹ䚸༢⊂Ᏻᐃከᩘ䜒ᕼᮃ䚸㑅ᣲ༊䛷ⱞᡓ⮬Ẹ㻌༢⊂㐣༙ᩘ䛾ໃ䛔ᕼᮃ㻌ఙ䜃ᝎ䜏ㄞ኎❧᠇Ẹ୺䛿㌍㐍බ⟬Ẹ㐍ฟ㌟↓ᡤᒓ㻝㻝ேඃ఩䛺ᡓ䛔㑅ᣲ⤖ᯝ䠄ẚ౛༊䠅㑅ᣲ⤖ᯝ䠄㑅ᣲ༊䠅㑅㻌ᣲ㻌⤖㻌ᯝ䠄ィ䠅♫ྡ ᗎ┙䠄୰┙䠅ሗ㐨䛾ぢฟ䛧ᅗ⾲  ᖺ⾗㝔㑅࡟࠾ࡅࡿሗ㐨ྛ♫ࡢ᝟ໃ㸦㆟ᖍ㸧ண᝿࡜㑅ᣲ⤖ᯝࡢẚ㍑

㏿ሗ➇தࡀ᝟ໃ⾲⌧࡟ཬࡰࡍᙳ㡪  ᖺཧ㝔㑅࡛ㄞ኎࡜ẖ᪥ࡀ  ᪥㐜ࢀ࡚ሗ㐨ࡋࡓ㸬ㄞ኎ࡣ㸪ᚑ᮶ࡢໃຊࢢࣛࣇ࡟௦࠼࡚ண᝿㆟ᖍࡢ୰ᚰ࡜ㄗᕪᖜࢆ᫂♧ࡋࡓ㸦ࡇࡢᚋ㸪ໃຊࢢࣛࣇ࡟ᡠ
ࡿ㸧㸬ẖ᪥ࡣ㸪ᚑ᮶ࡼࡾࡶㄗᕪᖜࢆᴟ➃࡟⊃ࡃࡋ࡚㑅ᣲ༊ࡢண᝿㆟ᖍࢆእࡋࡓ㸦⮬Ẹ  ㆟ᖍ࡟ᑐࡋண᝿ 㹼㸹ᯇ⏣ ⬮ὀ  ཧ↷㸧㸬ࡇࢀ௨㝆㸪㏿ሗ➇தࡀᛴຍ㏿ࡋࡓ㸬 ᖺཧ㝔㑅࡛ࡣ  ᪥๓ಽࡋࡋࡓᮅ᪥ࡼࡾࡶㄞ኎ࡣࡉࡽ࡟  ᪥᪩ࡃሗ㐨ࡋ࡚࠸ࡿ㸦ᅗ⾲ 㸧㸬 ẖ᪥ࡣ㸪 ᖺཧ㝔㑅ࡢᗎ┙᝟ໃ࡛ඹྠࡢ㓄ಙࢆ฼⏝ࡋࡓ㸬ࡑࡢᚋ㸪⾗㝔㑅ࡢᗎ┙ࢆඹྠࡢ㓄ಙ฼⏝㸪୰┙ࢆ⊂⮬ㄪᰝ࡟ࡋ㸪ཧ㝔㑅ࡣᗎ┙࠿ࡽ⊂⮬ㄪᰝ࡟ኚ࠼࡚࠸ࡿ㸬௚♫ࡢᗎ┙ሗ㐨࠿ࡽ㐜ࢀࡓ୰┙ㄪᰝࡢሗ㐨౯್ࢆ㧗ࡵࡿࡓࡵ࡟㸪ㄗᕪᖜࢆ⊃ࡵࡿດຊࡀ࡞ࡉࢀ࡚࠸ࡿ࡜᥎ᐹࡉࢀࡿ㸬ㄗᕪᖜ࡜ᙜ㑅☜⋡ࡢ㛵ಀ ㄪᰝ㈝⏝ࡢᅽ⦰ࡢࡓࡵ࠿㸪 㑅ᣲ༊࠶ࡓࡾࡢᖹᆒ
ྡᣲᩘ㸦ྡᣲᩘ㸸ೃ⿵⪅ྡࡀᣲࡀࡗࡓࡶࡢ㸧ࡣ ⚊ࢆୗᅇࡿ㸬ࡇࡢ⛬ᗘ࡞ࡽࡤ㸪ೃ⿵⪅ࡢᨭᣢ⋡࡟ࡣ᭱኱࡛s ࢆ㉸࠼ࡿㄗᕪᖜࡀ௜ࡃ㸦ᅗ⾲ 㸧㸬ᅗ⾲ 㑅ᣲࡢᗎ┙ ୰┙ ᝟ໃࡢ㏿ሗ໬ 㑅ᣲ༊࡟ೃ⿵⪅ࡀ  ྡ࠾ࡾ㸪ㄪᰝᨭᣢ⋡࠿ࡽồࡵࡽࢀࡿ᥎ィᚓ⚊⋡ࡢㄗᕪᖜࡀ࡜ࡶ࡟s㸣࡞ࡽࡤ㸪ᅗ⾲  ࡢࠕㄗᕪᖜsࠖࡢኴᐇ⥺࠿ࡽ୧⪅ࡢ᥎ィᚓ⚊⋡ࡢᕪࡀ 㸣ࡢ࡜ࡁ  ఩ࡢೃ⿵⪅ࡢᙜ㑅☜⋡ࡣ  ⛬ᗘ࡟࡞ࡿ㸬ࠕㄗᕪᖜsࠖࡢࡼ࠸⢭ᗘࡢㄪᰝ࡛ࡣ㸪᥎ィᚓ⚊⋡ᕪࡀ 㸣࡛ᙜ㑅☜⋡ࡣ ⛬ᗘ࡟ୖࡀࡿ㸬࡞࠾㸪᥎ィᘧࡀ࠺ࡲࡃタィࡉࢀ࡞ࡅࢀࡤ㸪ㄪᰝᨭᣢ⋡ࡢ࡜ࡁࡼࡾࡶㄗᕪᖜࡣᗈࡀࡿ㸬ࢧ࢖࢚ࣥࢫ࡞ࡽࡤ㸪ᶆᮏࢧ࢖ࢬࡀᑠࡉࡃ࡚᭷ຠ
ᩘࡶᑡ࡞ࡃ࡞ࡿㄪᰝ࡛ࡣ㸪᥎ィᚓ⚊⋡ࡢᕪࡀᑠࡉࡃ࡚ࡶ  ఩ೃ⿵ࡢᙜ㑅☜⋡ࡣపࡵ࡟࡞ࡾ㸪⤖ᯝ࡜ࡋ࡚ඪὴูண᝿㆟ᖍᩘࡢㄗᕪᖜࡶ኱ࡁࡃ࡞ࡿ㸦 ❶ཧ↷㸧㸬ண᝿㆟ᖍࡢㄗᕪᖜࢆᑠࡉࡃࡍࡿ࡟ࡣ㸪࢔࣮ࢺࡀᚲせ࡟࡞ࡿ㸬ࡇࡢ࢔࣮ࢺࢆᢸ࠺ࡢࡣㄡ࠿㸬㻞㻜㻜㻟ᖺ⾗㝔㑅
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ᅗ⾲ 8 ࡟࠶ࡿࡼ࠺࡟㸪እࡋ㑅ᣲ༊ࡀ≉ᐃࡢᆅᇦ࡛ከ
࠸♫ࡀ࠶ࡿ㸬ጤクඛࡢㄪᰝ఍♫࡟࠾ࡅࡿヱᙜᆅᇦࡢ㐠⏝࣭⟶⌮ࢆ෌᳨ドࡍࡿᚲせࡣ࡞࠸࠿㸬ࢧ࢖࢚ࣥࢫ࡛ᑐ
ᛂ࡛ࡁ࡞࠸࢔࣮ࢺࡢ㒊ศࡶ㔜せ࡛࠶ࡿ㸬㆟ᖍண᝿ࡢㄗᕪᖜࢆ⊃ࡵࡿࡓࡵࡢ࢔࣮ࢺ࡟ࡣ㸪ࢿࢵࢺㄪᰝ࡛ࡢືྥࢆຍ࿡ࡍࡿᕤኵࡀ࠶ࡗ࡚ࡶࡼ࠸㸬

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ᅗ⾲ 7 ୖẁࡣ㸪2 ఩ࡸ 3 ఩ࢆ 1 ఩ண᝿ࡋࡓ㑅ᣲ༊࡟ࡘ࠸࡚㸪ᶓ㍈ࢆࠕᚓ⚊⋡ 1 ఩̿2 ఩ࠖ㸪⦪㍈ࢆࠕᚓ⚊⋡ 1 ఩㸫3 ఩࡛ࠖసᡂࡋ࡚࠶ࡿ㸬࡞࠾㸪2 ྡࡋ࠿❧ೃ⿵ࡋ࡚࠸࡞࠸㑅ᣲ༊ࡣ 3 ఩ࡢᚓ⚊⋡ࢆ 0%࡜ࡋ࡚ฎ⌮ࡋࡓ㸬ᅗ⾲ 7 ୗẁࡣ㸪⤖ᯝ 1 ఩࡜ண᝿ 1 ఩ࡢᚓ⚊⋡ࡢᕪ(d)ࢆ㝵⣭ᖜ 5%࡛ᥥ࠸ࡓእࢀ㑅ᣲ༊ᩘࡢࣄࢫࢺ
࠾ࡼࡧ㸪ࢢ࣒࡛ࣛ࠶ࡿ
㸦ࡑࡢ୰ࡢ⾲ࡣ㸪
Ȋd2 ࡜ᖹᆒ್㸬᭱኱እࡋ㑅ᣲ༊ 1 ࡘࢆ㝖እࡋ࡚ィ⟬ࡋࡓࡶࡢ㸧㸬ㄞ኎ࡢ⢭ᗘࡢⰋࡉࡀ㝿❧ࡗ࡚࠸ࡿ㸬ᮅ᪥ࡣ኱㜰 17༊ࢆእࡋࡓᙳ㡪ࡀ኱ࡁ࠸㸬ẖ᪥ࡣ୰┙ㄪᰝ࡛᭷฼࡞ࡣ
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ከ࠸ࡀ㸪ᖹᆒࡢእࡋᖜࡣࡉ࡯࡝ᝏࡃ࡞࠸㸬ඹྠಕ ๼քಕ̗ۢ ๼քಕ̗ۢ
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ࣝࣉౣ̏ۢ ࣝࣉౣ̏ۢ ࣝࣉౣ̏ۢ ࣝࣉౣ̏ۢ ࣝࣉౣ̏ۢ
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ᑠ♒ᑑ⏕࣭໭⏣ಇ୍࣭ᯇ⏣ᫎ஧ (2018). 2017 ᖺ⾗㝔㑅࡟࠾ࡅࡿ㑅ᣲண ࡢẚ㍑ศᯒ̿ሗ㐨ྛ♫ࡢணࡢṇ☜ࡉࢆ᳨ドࡍࡿ̿. ᨻ⟇࡜ㄪᰝ, 14, 53-78.

26
5',7 ࢆ⏝࠸ࡓ㠀ࣃࢿࣝ↓సⅭᢳฟ࡟ࡼࡿ :(% ㄪᰝࡢྍ⬟ᛶ㸫 ᖺ⾗㆟㝔㑅ᣲࡢࢺࣛࢵ࢟ࣥࢢㄪᰝ࡟ࡼࡿ⪃ᐹ㸫 ᓊ⏣ ඾Ꮚ㸦ᰴᘧ఍♫ࢡࣟࢫ࣭࣐࣮ࢣࢸ࢕ࣥࢢ㸧ࡣࡌࡵ࡟ ♫఍ࡸ࣓ࢹ࢕࢔ࡢ฼⏝⎔ቃࡢኚ໬࡟ࡼࡾ, ࠸ࡎࢀࡢㄪᰝᡭἲ࡟࠾࠸࡚ࡶᅇ཰⋡ࡢపⴠഴྥࡀᣦ᦬
ࡉࢀ, ୡㄽㄪᰝࡢᐇ᪋⎔ቃࡣཝࡋࡃ࡞ࡗ࡚࠸ࡿ.
⥲ົ┬ࡢ㏻ಙ฼⏝ືྥㄪᰝ㸦ᖹᡂ 29 ᖺ㸧࡟ࡼࡿ࡜, 2016 ᖺࡢ࢖ࣥࢱ࣮ࢿࢵࢺ฼⏝ࡣ඲య࡛83.5㸣࡜࡞ࡾ, ࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝࡢ᭷⏝ᛶࡣ㧗ࡲࡗ࡚࠸ࡿ. ࡋ࠿ࡋ, ࢖ࣥࢱ࣮ࢿࢵࢺ࡟ࢫ࣐࣮ࢺ
ࣇ࢛࡛ࣥ࢔ࢡࢭࢫࡍࡿேࡀᛴቑࡋ࡚࠾ࡾ, ࣃࢯࢥࣥ࠿ࡽࡢᅇ⟅ࢆ᝿ᐃࡋࡓᚑ᮶ࡢ࢖ࣥࢱ࣮ࢿࢵࢺㄪ
ᰝࡣ,㉁ၥࡢ࣮࣒࣎ࣜࣗࡸ⏬㠃ࡢࢹࢨ࢖ࣥࢆࢫ࣐
࣮ࢺࣇ࢛࡛ࣥࡶᅇ⟅ࡋࡸࡍ࠸ࡶࡢ࡟ࡋ࡚ࡺࡃᚲせࡀ⏕ࡌ࡚࠸ࡿ㸦2017㸸JMRA ࢖ࣥࢱ࣮ࢿࢵࢺㄪ
ᰝရ㉁࢞࢖ࢻࣛ࢖ࣥ㸧.
Ⓩ㘓ࣔࢽࢱ࣮࠿ࡽᑐ㇟⪅ࢆ㑅ࡪ࢖ࣥࢱ࣮ࢿࢵࢺ
ㄪᰝࡣ, ࢧࣥࣉࣝࡢ௦⾲ᛶࡀ࡞࠸࡜ࡋ࡚ୡㄽㄪᰝ
࡬ࡢ฼⏝ࡣ㝈ᐃࡉࢀ࡚࠸ࡿ. ࡑࡢᑐ⟇࡜ࡋ࡚,Ⓩ㘓ࣔࢽࢱ࣮ࡢࣜࢫࢺ࡛ࡣ࡞ࡃ࢖ࣥࢱ࣮ࢿࢵࢺࡢࢻ
࣓࢖ࣥࢆ⏝࠸࡚,୍⯡࣮ࣘࢨ࣮࠿ࡽࣛࣥࢲ࣒࡟ᢳ
ฟࡍࡿᡭἲࡀ⏕ࡲࢀ࡚࠸ࡿ.࢝ࢼࢲ RIWI ♫ࡀ
2009 ᖺ࡟㛤Ⓨࡋࡓ RDIT㸦Random Domain
Intercept Technology㸧࡜࠸࠺ᚑ᮶ࡢ࢖ࣥࢱ࣮ࢿ
ࢵࢺㄪᰝ࡜ࡲࡗࡓࡃ␗࡞ࡿ᪉ἲ࡛࠶ࡿ. ኱㔞ࡢၟ
ᶆⓏ㘓ࡉࢀ࡚࠸࡞࠸ࢻ࣓࢖ࣥୖࢆ▐᫬࡟࣮ࣟࢸ࣮
ࢩࣙࣥࡋ࡞ࡀࡽㄪᰝࡢㄏᑟ⏬㠃ࢆࣛࣥࢲ࣒࡟⾲ฟࡍࡿࡇ࡜࡛, ୍⯡ࡢ࢖ࣥࢱ࣮ࢿࢵࢺ฼⏝⪅࠿ࡽ↓
సⅭ࡟ᑐ㇟⪅ࢆ㑅ࡪࡇ࡜ࡀ࡛ࡁࡿ.ࡇࡢ᪂ᡭἲࡣ,2015 ᖺ Nature ࡢグ஦࡟࡜ࡾ࠶ࡆࡽࢀࡓ࡯࠿, ᅜ㝿ᶵ㛵, ⴭྡ࣓ࢹ࢕࢔, ᾏእ࡛ࡢୡㄽㄪᰝ, Ꮫ⾡ㄪᰝ࡞࡝࡛฼⏝ࡉࢀ࡚࠸ࡿ.
 ࡇࡢ RDIT ࢆ౑࠼ࡤ, ୍⯡ࡢ࢖ࣥࢱ࣮ࢿࢵࢺ฼
⏝⪅ࢆ↓సⅭᢳฟ࡛ࡁ, ࡲࡓࢫ࣐࣮ࢺࣇ࢛࡛ࣥࡢ
ᅇ⟅ࢆ᝿ᐃࡋࡓ㉁ၥタィ࡟ࡼࡗ࡚, ࡇࢀࡲ࡛ࡢㄪ
ᰝࡼࡾࡶᖜᗈ࠸ᒙ࠿ࡽࢧࣥࣉࣝࢆᚓࡽࢀࡿ࡜⪃࠼ࡽࢀ࡚࠸ࡿ.

ᚑ᮶ࡢㄪᰝ࡜ࡣ␗࡞ࡿ≉㛗ࢆࡶࡘ㠀ࣃࢿࣝ↓స
Ⅽᢳฟἲࡢ࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝ࡛࠶ࡿ RDIT ࢆ,௒ᅇึࡵ࡚᪥ᮏࡢ㑅ᣲ࡛฼⏝ࡋࡓ. ࡑࡢศᯒ⤖ᯝ࡜௒ᚋࡢㄢ㢟࡜ྍ⬟ᛶ࡟ࡘ࠸᳨࡚ウࡍࡿ.
5',7 ࡢㄪᰝᡭἲࡢ≉㛗 RDIT ࡣ 2009 ᖺ࢝ࢼࢲ࡛බ⾗⾨⏕ᨻ⟇ࢆᢸᙜࡋ࡚࠸ࡓࢽ࣮࣭ࣝࢩ࣮࣐ࣥᩍᤵ࡟ࡼࡗ࡚࢖ࣥࣇ
࢛࣭ࢹ࣑࢜ࣟࢪ࣮㸦᝟ሗ␿Ꮫ㸧㡿ᇦ࡛ࣃࣥࢹ࣑ࢵ
ࢡ㸦H2N9㸧ࡀ⑕≧ࢆኚ໬ࡉࡏ࡞ࡀࡽឤᰁࢆᣑ኱
ࡋ࡚࠸ࡃ≧ἣࢆᢕᥱࡍࡿࡇ࡜ࢆ┠ⓗ࡜ࡋ࡚㛤Ⓨࡉ
ࢀࡓ.ࡑࡢࡓࡵ, ᖜᗈ࠸ㄪᰝᑐ㇟࠿ࡽࣛࣥࢲ࣒࡟
ᢳฟࡍࡿࡇ࡜࡜ࢢ࣮ࣟࣂࣝ࡟ࣜ࢔ࣝࢱ࢖࣒࡟⤖ᯝࡀᢕᥱ࡛ࡁࡿࡇ࡜ࡀ㔜どࡉࢀ࡚࠸ࡿ. RDIT ࡣ,㏻ᖖࡢ࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝ࡜ࡣ␗࡞ࡿ௨ୗࡢ≉㛗ࢆࡶࡘޮࣛࣥࢲ࣒ᛶ
ᅛᐃࡋࡓㄪᰝࢧ࢖ࢺࢆ౑⏝ࡏࡎ, ୡ⏺࡛ 1000୓௨ୖࡢࡉࡲࡊࡲ࡞ࢱ࢖ࣉࡢၟᶆⓏ㘓ࡉࢀ࡚࠸࡞
࠸ࢻ࣓࢖ࣥࢆ฼⏝ࡍࡿ. ㄪᰝࡢධཱྀ࡟࡞ࡿࢻ࣓࢖
ࣥࢆࣛࣥࢲ࣒࡟▐᫬࡟ษࡾ᭰࠼࡞ࡀࡽㄪᰝ࡬ㄏᑟ
ࡍࡿ⏬㠃ࢆ⾲♧ࡉࡏ࡚࠸ࡿ. ࡑࡢࡓࡵពᅗⓗ࡟࢔ࢡࢭࢫࡍࡿࡇ࡜ࡣ୙ྍ⬟࡛, ࢿࢵࢺࢧ࣮ࣇ࢕ࣥ୰
ࡢ୍⯡ࡢࢿࢵࢺ࣮ࣘࢨ࣮ࡀഅ↛ධຊࡋࡓ URL ࡟ࡼࡗ࡚ㄪᰝࡢㄏᑟ⏬㠃࡟㐼㐝ࡍࡿࡇ࡜࡟࡞ࡿ.ࣘ
࣮ࢨ࣮ࡣព㆑ⓗ࡟ URL ࢆㄗධຊࡋ࡚࠸ࡿࢃࡅ࡛
ࡣ࡞࠸ࡀ, ࢖ࣥࢱ࣮ࢿࢵࢺୖ࡛ࡣ㢖⦾࡟㉳ࡇࡗ࡚
࠸ࡿ. ࡑࡢࡓࡵㄗධຊࡋࡓேࡣ࢜ࣥࣛ࢖ࣥ฼⏝ேཱྀࡢࣛࣥࢲ࣒࡛௦⾲ᛶࡢ࠶ࡿࢧࣥࣉࣝࢆᵓᡂࡍࡿ
࡜⪃࠼ࡽࢀ࡚࠸ࡿ.࡞࠾,࣎ࢵࢺ࡞࡝ࡢ୙ṇࣉࣟࢢ࣒ࣛࡣ㝖እࡉࢀ࡚࠸ࡿ.
ޮ㠀ㄪᰝࣔࢽࢱ࣮
RDIT ࡛ࡣ࢖ࣥࢱ࣮ࢿࢵࢺୖ࡛അ↛࡟ㄪᰝㄏᑟ
⏬㠃࡟㐼㐝ࡋ࡚ㄪᰝ⏬㠃࡟࢔ࢡࢭࢫࡋࡓ୍⯡ࡢ࢖ࣥࢱ࣮ࢿࢵࢺ࣮ࣘࢨ࣮ࡀᑐ㇟࡜࡞ࡿ. ୡ⏺ࡢࣜࢧ࣮ ࢳ ᴗ ⏺ ࡢ ᝟ ሗ ࢆ ᥦ ౪ ࡍ ࡿ GreenBook

27
Research Industry Trends Report㸦2014)࡟ࡼࡿ
࡜, RDIT ᅇ⟅⪅ࡣ, 㐣ཤ1 ࣨ᭶㛫࡟࡝ࡢࡼ࠺࡞ㄪ
ᰝ࡟ࡶ༠ຊࡋࡓࡇ࡜ࡀ࡞࠸࡜࠸࠺ேࡀ 72%ࢆ༨
ࡵࡿ࡜ࡢ⤖ᯝࡀ࠶ࡾ, ㄪᰝᖖ⩦⪅㸦Frequent
Respondents㸧ࡀᑡ࡞࠸࡜ࡉࢀ࡚࠸ࡿ.
ޮࢢ࣮ࣟࣂࣝ
IP ࢔ࢻࣞࢫ࡛ᅜࢥ࣮ࢻࣞ࣋ࣝࡢࢻ࣓࢖ࣥࢆ≉ᐃࡋ, ࢖ࣥࢱ࣮ࢿࢵࢺࢆ฼⏝ࡍࡿᅜࡣ࡝ࡇ࡛ࡶㄪ
ᰝᑐ㇟࡟࡛ࡁࡿ. ᅜ㝿ⓗ࡞ࣉࣛ࢖ࣂࢩ࣮㛵㐃ࡢἲᚊࢆ㑂Ᏺࡋ, IP ࢔ࢻࣞࢫࢆྵࡵಶே᝟ሗࡣಖᏑࡶ
㌿㏦ࡶࡉࢀ࡞࠸.
ޮ࢚ࣜ࢔IP ࢔ࢻࣞࢫ࠿ࡽᅜ࣭ᆅᇦ㸦㒔㐨ᗓ┴㸧࣭㒔ᕷྡࢆグ㘓ࡋࡓ┤ᚋ, IP࢔ࢻࣞࢫࡣ๐㝖ࡉࢀࡿ.⦋ᗘ⤒ᗘ࡟ࡼࡿᑐ㇟ᆅᇦࡢタᐃࡶྍ⬟.ޮࢹࣂ࢖ࢫࣇ࣮ࣜ
࢖ࣥࢱ࣮ࢿࢵࢺ࡟࢔ࢡࢭࢫࡍࡿࢹࣂ࢖ࢫࡍ࡭࡚
ࡀᑐ㇟࡜࡞ࡿ. ㄪᰝ⏬㠃ࡣࢫ࣐࣮ࢺࣇ࢛࡛ࣥᅇ⟅ࡋࡸࡍ࠸ࡇ࡜ࢆ㔜どࡋ࡚࠸ࡿ.
ޮ࣐࢖ࢡࣟࢧ࣮࣋࢖
ᑐ㇟⪅ࡢ⑂ປࢆ㑊ࡅ,㧗࠸ᅇ⟅ရ㉁ࢆᚓࡿࡓࡵ
࡟㉁ၥᩘࡀ᭱኱࡛඲ 15 ၥ⛬ᗘࡲ࡛࡜ࡋ࡚࠸ࡿ.
ࢩࣥࣉ࡛ࣝ▷࠸㉁ၥᩥ࡜㑅ᢥ⫥࡛ᵓᡂࡉࢀ࡚࠾ࡾࠊ
1 ၥࡀࢫ࣐࣮ࢺࣇ࢛ࣥࡢ୍⏬㠃࡛ࢫࢡ࣮ࣟࣝ࡞ࡋ୍࡛ぴ࡛ࡁࡿ. 㡯┠ᩘࡣ᭱኱ 8 㡯┠⛬ᗘࡲ࡛࡟㝈
ᐃࡍࡿ. 㛗࠸ㄪᰝࡀᚲせ࡞ሙྜࡣ, ㄪᰝ⚊ࢆศ๭ࡋ, ㉁ၥࣔࢪ࣮ࣗࣝࢆࣛࣥࢲ࣒໬ࡋ࡚ᐇ᪋ࡍࡿ.
ޮㄪᰝㄏᑟࡢ⏬㠃ᛶู࡜ᖺ㱋ࢆၥ࠺㉁ၥࡀㄪᰝࡢㄏᑟ⏬㠃㸦ࣛࣥࢹ࢕ࣥࢢ࣮࣌ࢪ㸧࡜࡞ࡗ࡚࠸ࡿ. ࣏ࢵࣉ࢔ࢵࣉࡸ
ᗈ࿌ᯟ࡛ࡣ࡞ࡃࠊ⏬㠃඲య㸦ࢻ࣓࢖ࣥ㸧ࡀㄪᰝ⏬
㠃࡜࡞ࡿ. ㄪᰝ୺యࡢ⾲♧ࡣࣂ࢖࢔ࢫࡢ୍ࡘ࡜ࡋ
࡚㏻ᖖࡣグ㍕ࡋ࡚࠸࡞࠸.
ޮ༏ྡ࣭ㅰ♩࡞ࡋㅰ♩ࡀ࡞࠸ࡓࡵ, ᅇ⟅⪅ࡀఱᗘࡶᅇ⟅ࡍࡿືᶵ
ࡀ࡞࠸.ࡲࡓ୍ษࡢಶே᝟ሗࢆྲྀᚓࡋ࡞࠸.
ޮẖ᪥ 24 ᫬㛫ࡢ⥅⥆ㄪᰝㄪᰝᮇ㛫୰ࡣ, ẖ᪥ 24 ᫬㛫ㄪᰝ⎔ቃࡀ⥅⥆ࡍ
ࡿ.࢖ࣥࢱ࣮ࢿࢵࢺࢆ౑⏝୰ࡢே࡟ㄪᰝࡢㄏᑟ⏬
㠃ࡀ࿊♧ࡉࢀࡿࡓࡵ, ⅏ᐖᚋ࡞࡝ࡢㄪᰝࡢᐇ᪋ࡶ
ྍ⬟࡛࠶ࡿ.
ޮ෌⌧ᛶ♫఍ⓗ౯್ほࡢࡼ࠺࡞ព㆑ㄪᰝ࡟ࡘ࠸࡚ࡣ㠀ᖖ࡟Ᏻᐃࡋࡓᩘ್ࢆ⥅⥆ࡋ, ෌⌧ྍ⬟ᛶࡀ☜ㄆࡉࢀ࡚࠸ࡿ (Seeman.N., et al. 2016) .

28
ㄪᰝࡢᴫせ ┠ⓗ᪥ᮏࡢ⾗㆟㝔㑅ᣲ࡟࠾ࡅࡿ㑅ᣲࡢືྥࡀ, ᡤᐃࡢᴫᛕ㸦㉁ၥᩥ㸧࡟ࡼࡗ࡚ㄪᰝ⤖ᯝ࡟࡝ࡢࡼ࠺࡟
཯ᫎࡉࢀࡓ࠿ࢆ RDIT ࢆ⏝࠸᳨࡚ドࡍࡿ.
 ㄪᰝᡭἲ
RDIT㸦Random Domain Intercept Technology㸧ࢆ⏝࠸ࡓ୍⯡ࡢ࢖ࣥࢱ࣮ࢿࢵࢺ฼⏝⪅ࡢ↓సⅭᢳฟ࡟ࡼࡿ࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝ
 ᆅᇦ࣭ࢧࣥࣉࣝᩘ
ㄪᰝᆅᇦ       ᪥ᮏ඲ᅜᅇ཰┠ᶆ㸦ᅇ⟅᏶஢㸧 10,000 ࢧࣥࣉࣝ඲ᅇ⟅᏶஢ࡢᐇᩘ
12,581 ࢧࣥࣉࣝ ㄪᰝᮇ㛫
2017 ᖺ 10 ᭶ 8 ᪥㹼22 ᪥㸦ㄪᰝᮇ㛫୰ࠊẖ᪥ 24 ᫬㛫ᅇ཰ࢆ⥅⥆㸧 ㄪᰝ୺య
㸦ᰴ㸧ࢡࣟࢫ࣭࣐࣮ࢣࢸ࢕ࣥࢢ࡜࢝ࢼࢲ RIWI
corp.࡟ࡼࡿඹྠㄪᰝ
 ㉁ၥᙧᘧ
RIWI ♫࡛ࡣ, 2016 ᖺࡢ⡿ᅜ኱⤫㡿㑅ᣲࢆṇ☜࡟ண ࡋࡓ࡜ࡢࣉࣞࢫ࣮ࣜࣜࢫࢆฟࡋ࡚࠾ࡾ, ࢺࣛࣥࣉ኱⤫㡿ࡢᙜ㑅ࢆண ࡋࡓࡢࡀࠕ࢔ࢨ࣮࣭࢟
ࣕࢫࢸ࢕ࣥࢢἲࠖ, ⥲ᚓ⚊ᩘ࡛ࢡࣜࣥࢺࣥẶࡀୖᅇࡿ࡜ࡋࡓࡢࡀࠕዲࡲࡋࡉࠖࡢ㉁ၥ࡛࠶ࡿ.
RIWI ♫ࡀ㐣ཤࡢ㑅ᣲㄪᰝ࡛౑⏝ࡋࡓࡶࡢ࡜ྠ
ࡌ㉁ၥᙧᘧࠕ࢔ࢨ࣮࣭࢟ࣕࢫࢸ࢕ࣥࢢἲࠖ࡜ࠕዲ
ࡲࡋࡉࠖࢆ⏝࠸࡚, ᪥ᮏࡢ㑅ᣲไᗘ࡛ࡢຠᯝࢆ
ᐃࡋࡓ.ලయⓗ࡟ࡣ, ௨ୗࡢ㉁ၥࢆ⏝࠸ࡓ.
ޮࠕ࢔ࢨ࣮࣭࢟ࣕࢫࢸ࢕ࣥࢢἲࠖ࡟ࡼࡿ㉁ၥ
Q1 ࠶࡞ࡓࡀ࡝ࡢᨻඪࢆᨭᣢࡍࡿ࠿࡟㛵ಀ࡞ࡃ,௒ᅇࡢ㑅ᣲ࡛ࡣ࡝ࡢᨻඪࡀ຾ࡘ࡜ᛮ࠸ࡲࡍ࠿.
ޮࠕዲࡲࡋࡉࠖ࡟ࡘ࠸࡚ࡢ㉁ၥ
Q2 ࠶࡞ࡓಶே࡜ࡋ࡚ࡣ, ࡝ࡢᨻඪࡀዲࡲࡋ࠸࡛
ࡍ࠿.
ࡑࡢ࡯࠿㑅ᣲࣈࣟࢵࢡ࡜㒔㐨ᗓ┴, Ᏻಸෆ㛶ᨭᣢ⋡, 3 ၥࡢᒓᛶ㉁ၥࢆ౑⏝ࡋࡓ.
ᒓᛶ㉁ၥࡣࣛࣥࢲ࣐࢖ࢬ࿊♧ࡉࢀࡿ.
୺࡞ㄪᰝ⤖ᯝ 㑅ᣲᮇ㛫୰ࡢ୺せᨻඪࡢኚື ࠕ࢔ࢨ࣮࣭࢟ࣕࢫࢸ࢕ࣥࢢࠖἲ࡟ࡼࡿ㉁ၥࡢ⤖ᯝ࡜ᐇ㝿ࡢ㆟ᖍᩘẚ⋡ࢆẚ㍑ࡋࡓQ1ࡢᅇ⟅⪅ࡢ඲ࢹ࣮ࢱ㸦㏵୰⬺ⴠ⪅ࡶྵࡴ㸧ࢆᛶᖺ௦ูࡢᵓᡂ
ẚ࡛࢚࢘࢖ࢺ௜ࡅࡋࡓ⤖ᯝࢆ⏝࠸ࡓ࣭⮬Ẹඪࡣ ㄪᰝ㛤ጞᙜึ㸦 ᭶  ᪥㸧ࡢ 㸣࠿ࡽᚎࠎ࡟ୖ᪼ࡋ ᭶  ᪥࡟ࡣ 㸣ࡲ࡛ୖ᪼㸦ᐇ㝿ࡢ㆟ᖍᩘࡣ 㸣 ㆟ᖍ㸧࣭୚ඪ㸦ィ㸧࡛ࡣ㸣࠿ࡽ 㸣ࡲ࡛ୖ᪼ࡋ࡚࠸
ࡿ㸦ᐇ㝿ࡢ㆟ᖍᩘࡣ 㸣 ㆟ᖍ㸧࣭ᕼᮃࡢඪࡣ㛤ጞᙜึࡢ 㸣࠿ࡽᚎࠎ࡟ୗ㝆ࡋ㸣ࡲ࡛ୗ㝆ࡍࡿ୍᪉❧᠇Ẹ୺ඪࡣ㸣࠿ࡽᚎࠎ࡟ୖ᪼ࡋ㸣ࡲ࡛ୖ᪼ࡋࡓ
ᐇ㝿ࡢ㆟ᖍᩘ࡛❧᠇Ẹ୺ඪ㸦㸣㸧ࡀᕼᮃࡢඪ
㸦㸣㸧࡟ഹᕪ࡛ୖᅇࡿ࡜ࡇࢁࡲ࡛ࡣㄞࡳษࡿࡇ
࡜ࡣ࡛ࡁ࡞࠿ࡗࡓࡀ኱ࡁ࡞ὶࢀࡣࡘ࠿ࢇࡔ⾲ ዲࡲࡋ࠸ᨻඪ㸦1 㸧㸦࢚࢘࢖ࢺ௜ࡁ 4 ᅇ⟅⪅࣭ᨭᣢᨻඪ࡞ࡋࢆ㝖እ㸧⥲ᚓ⚊ᩘ䛾ẚ⋡㻔ᑠ㑅ᣲ༊㻗
ẚ౛௦⾲㻕⮬Ẹඪ㻗බ᫂ඪ
⮬Ẹඪ
බ᫂ඪ
❧᠇Ẹ୺ඪ
ᕼᮃ䛾ඪ
ඹ⏘ඪ
᪥ᮏ⥔᪂䛾఍
䛭䛾௚ᨻඪ䞉↓ᡤᒓ䠮䠠䠥䠰ዲ䜎䛧䛔䛸ᛮ
ㄗᕪ⠊ᅖ
䛖ᨻඪ































 ᅇ཰≧ἣ࡜ᅇ⟅⪅ᒓᛶ㸦࢚࢘࢖ࢺ࡞ࡋ㸧ㄪᰝࡢᑟධ⏬㠃㸦ࣛࣥࢹ࢕ࣥࢢ࣭࣮࣌ࢪ㸧࡛ᛶู࣭ᖺ௦ࡢ㉁ၥࡀ࿊♧ࡉࢀ࡚ᅇ⟅ࢆጞࡵ࡚ࡶ
ᚎࠎ࡟⬺ⴠࡍࡿ㸦⾲ 㸧
඲㉁ၥࡢᅇ⟅᏶஢⪅ࡢᵓᡂẚࡣ, ⱝᖺ⏨ᛶ࡛㧗ࡃ, 50 ௦௨ୖࡢዪᛶࡣప࠸.ᆅᇦ๭௜ࡣࡋ࡚࠸࡞
࠸ࡀᅇ⟅⪅ࡣ඲ᅜ࡟ศᕸࡍࡿᮾிࡢẚ⋡ࡀேཱྀᵓᡂẚࡼࡾࡸࡸ㧗࠸ᅇ⟅ࢹࣂ࢖ࢫࡣࣃࢯࢥࣥ 㸣ࢫ࣐࣮ࢺࣇ࢛ࣥ 㸣ࢱࣈࣞࢵࢺ
 ࡑࡢ௚ 㸣࡜࡞ࡗ࡚࠸ࡿ⾲ ㉁ၥࡈ࡜ࡢᐇᅇ཰ᩘ
㸦࢚࢘࢖ࢺ࡞ࡋࢡ࣮ࣜࢽࣥࢢ๓㸧ᅇ⟅⪅ᩘㄪᰝ⏬㠃࿊ ᭱ึࡢᅇ⟅♧ᩘࢆ ⪅ᩘࢆ
࡜ࡋࡓሙྜ ࡜ࡋࡓሙྜ

ㄪᰝ⏬㠃ࡢ࿊♧ᅇᩘ

ᛶูᖺ௦㸦ᑐ㇟እ㝖ࡃ㸧




4B຾฼ࡍࡿᨻඪ







ᅗ ࢔ࢨ࣮࣭࢟ࣕࢫࢸ࢕ࣥࢢ࡟ࡼࡿ୺せᨻඪࡢ
㸦1 㸧ኚື㸦࢚࢘࢖ࢺ௜ࡁ 4 ᅇ⟅⪅㸧

4Bዲࡲࡋ࠸ᨻඪ







4B㑅ᣲ࢚ࣜ࢔







4B㒔㐨ᗓ┴






ࠕዲࡲࡋ࠸ᨻඪࠖ࡜⥲ᚓ⚊ᩘẚ⋡ࠕ࠶࡞ࡓಶே࡜ࡋ࡚ࡣ, ࡝ࡢᨻඪࡀዲࡲࡋ࠸࡛
ࡍ࠿ࠖ࡜࠸࠺㉁ၥ࡟ᑐࡍࡿẚ⋡࡜, ᑠ㑅ᣲ༊ೃ⿵⪅ࡢᚓ⚊ᩘ㸦ᡤᒓᨻඪࡢᚓ⚊ᩘ࡟⨨ࡁ᥮࠼㸧࡜ẚ౛௦⾲ࡢᨻඪࡢᚓ⚊ᩘࢆྜࢃࡏࡓ⥲ᚓ⚊ᩘࡢẚ⋡
ࢆẚ㍑ࡋࡓ
ྛᑠ㑅ᣲ༊࡛ࡣ❧ೃ⿵ࡋ࡚࠸࡞࠸ᨻඪࡀከ࠸ࡓ
ࡵ඲࡚ࡢ㑅ᣲ༊࠿ࡽ❧ೃ⿵ࡋ࡚࠸ࡿ୚ඪ㸦⮬Ẹඪ㸩බ᫂ඪ㸧ࡀ᳨ドᑐ㇟࡜ࡋ࡚ࡩࡉࢃࡋ࠸࡜⪃࠼ࡽࢀࡿ
5',7 ࡢࠕዲࡲࡋ࠸ᨻඪ࡛ࠖᚓࡽࢀࡓẚ⋡ࡣ୚ඪ㸦⮬Ẹඪබ᫂ඪ㸧࡜⮬Ẹඪࡢ⥲ᚓ⚊ᩘࡢẚ⋡࡟㏆ఝࡍࡿ⤖ᯝࢆᚓࡓ㸦⾲ 㸧


4BᏳಸෆ㛶ࡢᨭᣢ






4DB⫋ᴗ





4EBᮍ᪤፧







4FBᐙ᪘ேᩘ







᏶஢







ὀ䠅㻽㻢㼍㻙㼏 䛾ᑐ㇟⪅ᒓᛶ䛿䝷䞁䝎䝬䜲䝈࿊♧䛥䜜䛯㻚㻌
ϮϬй

ᅜໃㄪᰝ

Z/d

ϭϱй
ϭϬй
ϱй
Ϭй

⏨ᛶ
㻝㻤㻙 㻞㻜㻙㻝㻥ᡯ 㻞㻥ᡯ

㻟㻜㻙
㻟㻥ᡯ

ዪᛶ

㻠㻜㻙 㻡㻜㻙 㻢㻜㻙 㻣㻜ᡯ 㻝㻤㻙 㻞㻜㻙 㻟㻜㻙 㻠㻜㻙 㻡㻜㻙 㻢㻜㻙 㻣㻜ᡯ㻠㻥ᡯ 㻡㻥ᡯ 㻢㻥ᡯ ௨ୖ 㻝㻥ᡯ 㻞㻥ᡯ 㻟㻥ᡯ 㻠㻥ᡯ 㻡㻥ᡯ 㻢㻥ᡯ ௨ୖᅜໃㄪᰝ              
5',7             1 㸧             ᅗ  ᛶᖺ௦ᵓᡂẚ㸦᏶඲ᅇ⟅⪅࢚࢘࢖ࢺ࡞ࡋ㸧㸦1 㸧

29




ࡲ࡜ࡵ࡜ㄢ㢟୺せᨻඪࡢኚື
ࠕ࢔ࢨ࣮࣭࢟ࣕࢫࢸ࢕ࣥࢢἲࠖ࡟ࡼࡿᣦᶆࢆ⏝࠸࡚⥅⥆ⓗ࡟㑅ᣲࡢືྥࡢࢺࣞࣥࢻࢆᥗࡴࡇ࡜ࡀ
☜ㄆ࡛ࡁࡓ. ࡇࡢ㉁ၥࡣಶேࡢពྥࢆၥ࠺࠿ࡓࡕ
࡛ࡣ࡞ࡃ, ࿘ᅖࡢேࡢពྥ࡟ࡘ࠸࡚㉁ၥࡍࡿࡇ࡜
࡟ࡼࡾ, ᅇ⟅ࡢᚰ⌮ⓗ㈇ᢸࢆୗࡆࡿ࡜ࡉࢀ࡚࠸ࡿ.
ࡇࡢᅇ⟅ࡣ, ᐙ᪘࣭཭ே࣭࣓ࢹ࢕࢔࡞࡝࿘ᅖࡢே
ࡸ᝟ሗ࠿ࡽឤࡌྲྀࡗࡓ㑅ᣲࡢࢺࣞࣥࢻ࡟ᑐࡍࡿ☜ಙᗘ㸦Confidence㸧࡜⪃࠼ࡽࢀࡿ.
ᅇ⟅⪅ࡣ⮬ศࡀ࡝ࡢᑠ㑅ᣲ༊࡟ヱᙜࡍࡿࡢ࠿,࡝ࡢೃ⿵⪅ࡀ࡛࡚࠸ࡿࡢ࠿࡞࡝ࢆ᫂☜࡟ㄆ㆑ࡋ࡚
࠸࡞࠸ࡇ࡜ࡀከ࠸. ᢞ⚊࡟⾜ࡃ࠿࡝࠺࠿ࡸ, ᢞ⚊ࡍࡿᨻඪ࡟ࡘ࠸࡚ከࡃࡢேࡀỴࡵ࠿ࡡ࡚࠸ࡿබ♧᪥࠿ࡽᢞ⚊᪥ࡲ࡛, ࡇࡢ㉁ၥ࡛ࡣྠࡌᣦᶆ࡛᝟ໃ
ࡢኚ໬ࢆ㏣࠺ࡇ࡜ࡀ࡛ࡁࡿ. ㄪᰝࡢ㑅ᢥ⫥ࡣ୺せᨻඪ࡟㝈ᐃࡋ࡚ᅇ⟅ࡋࡸࡍࡃࡋ,ࡼࡾከࡃࡢே࠿
ࡽ┤ឤⓗ࡞ᅇ⟅ࢆᚓࡿࡇ࡜࡟ࡼࡗ࡚, 㑅ᣲࡢ኱ࡁ࡞ὶࢀࢆࡘ࠿ࡴ┠ⓗ࡟ᚭࡋ࡚࠸ࡿ.
ࡇࡢ㉁ၥ᪉ἲࡣ, ࿊♧ࡍࡿᨻඪࡢᩘ࡟ࡼࡗ࡚ᩘ
್ࡀኚືࡍࡿ. 㑅ᢥ⫥ࡀᑡ࡞࠸࡜ࡁ࡯࡝ண ⢭ᗘࡀ㧗࠸ࡇ࡜ࡀ⪃࠼ࡽࢀࡿ.
⥲ᚓ⚊ẚ⋡࡜ࡢẚ㍑
ࠕዲࡲࡋ࠸ᨻඪࠖࡢ㉁ၥ࡟ࡼࡿ⤖ᯝࡣ, ୚ඪ㸦ィ㸧࡜⮬Ẹඪࡢ⥲ᚓ⚊ᩘẚ⋡㸦ᑠ㑅ᣲ༊ࡢ❧ೃ⿵⪅ࡢᡤᒓᨻඪ࡜ẚ౛௦⾲ࡢᨻඪࡢᚓ⚊ᩘࡢྜィࡢẚ⋡㸧࡜㏆ఝࡍࡿ⤖ᯝ࡜࡞ࡗࡓ.⮬ศࡢᨭᣢ࡜ࡣ↓㛵ಀ࡟ᅇ⟅ࡉࡏࡿࠕ࢔ࢨ࣮࣭࢟ࣕࢫࢸ࢕ࣥࢢἲࠖ࡟ᑐ
ࡋ,ࠕዲࡲࡋࡉࠖࡢ㉁ၥࡣ, ᮏேࡢព㆑࣭ពྥࢆ཯
ᫎࡍࡿ㡯┠࡜⪃࠼ࡽࢀࡿ. ᐇ㝿࡟ࡣṚ࡟⚊ࡀᏑᅾࡋ, ⥲ᚓ⚊⥲ᩘࡣ㆟ᖍᩘ࡟཯ᫎࡉࢀࡿࢃࡅ࡛ࡣ࡞
࠸ࡀ, ࡇࡢ㉁ၥࡣᢞ⚊ᩘࡢ⤖ᯝࡢཧ⪃ᣦᶆ࡟࡞ࡿ
࡜⪃࠼ࡽࢀࡿ.
ᅇ཰≧ἣᅇ⟅⪅ࡣ, ㄪᰝᮇ㛫୰ࡢ࢖ࣥࢱ࣮ࢿࢵࢺ฼⏝⪅࡜࡞ࡿࡀ, ࠕ࢖ࣥࢱ࣮ࢿࢵࢺ฼⏝᫬㛫ࡢ㛗࠸ࠖᒓᛶࡢேࡀᅇ཰ࡉࢀࡸࡍ࠸࡜⪃࠼ࡽࢀࡿ. ᖺ௦ⓗ࡟ࡣ, ⏨ᛶⱝᖺᒙࡀከࡃዪᛶࢩࢽ࢔ᒙࡢᵓᡂẚࡀప࠸.ࡲࡓ๭௜࡞ࡋ࡛, ᆅᇦࡣ඲ᅜࢆ࢝ࣂ࣮ࡋ࡚࠸
ࡿࡀ, ࢖ࣥࢱ࣮ࢿࢵࢺࡢ฼⏝⋡ࡢ㧗࠸ᮾி࡞࡝ࡢ
㒔఍ࡢẚ⋡ࡀⱝᖸ㧗࠸. ᅇ⟅ࢹࣂ࢖ࢫࡣ,ࣃࢯࢥ࡛ࣥࡢᅇ⟅⋡ࡀ༙ᩘᙅ࡛, ࢫ࣐࣮ࢺࣇ࢛ࣥࠊࢱࣈ
ࣞࢵࢺ࡞࡝࠿ࡽࡢ࢔ࢡࢭࢫ⋡ࡀ㏻ᖖࡢࣃࢿࣝ࡟ࡼ
ࡿㄪᰝࡼࡾࡶከ࠸.

௒ᚋࡢㄢ㢟5',7 ࡣ࢖ࣥࢱ࣮ࢿࢵࢺࢆ฼⏝ࡋ࡞࠸ேࢆᑐ㇟
࡟࡛ࡁ࡞࠸ᮏே☜ㄆࡀ࡛ࡁࡎᅇ⟅⪅ࡀᮏᙜࡢࡇ࡜ࢆᅇ⟅ࡋࡓ࠿ࡢ☜ㄆ᪉ἲࡀ࡞࠸ࡲࡓ㉁ၥᩘ
ࡸ㝈ᐃࡉࢀࡓᆅᇦ࡬ࡢᑐᛂ࡞࡝ࡢ㠃࡛⌧⾜ࡢㄪᰝᡭἲࢆ௦᭰ࡍࡿࡶࡢ࡛ࡣ࡞࠸ᑠ㑅ᣲ༊ẚ౛௦⾲࡜࠸࠺᪥ᮏࡢ㑅ᣲไᗘࡢせ⣲ࢆ࡝ࡢࡼ࠺࡟཯ᫎ
ࡉࡏࡓࡽࡼ࠸ࡢ࠿ࡲࡓㄗᕪࢆῶࡽࡍ᪉ἲ࡟ࡘ࠸
࡚ࡣ௒ᚋࡢㄢ㢟࡛࠶ࡿ
ࡋ࠿ࡋಶே᝟ሗ࡟ᑐࡍࡿ㆙ᡄឤࡢ㧗ࡲࡾ࡞࡝ㄪᰝ༠ຊࢆᚓࡿ⎔ቃࡣࡲࡍࡲࡍཝࡋࡃ࡞ࡿࡇ࡜ࡀ
ண᝿ࡉࢀࡿ୰࡛ㄪᰝࡢᑐ㇟⠊ᅖࢆ࢖ࣥࢱ࣮ࢿࢵ
ࢺ฼⏝⪅඲య࡟ᗈࡆࠊ࠿ࡘࣛࣥࢲ࣒࡟ᢳฟ࡛ࡁࡿ
ࢹ࣮ࢱࡢ౯್ࡣ኱ࡁ࠸㑅ᣲࡢ᝟ໃࢆ཯ᫎࡍࡿ᪂
ࡋ࠸ᣦᶆ࡜ࡋ࡚ࡉࡽ࡞ࡿ᳨ド࡜ά⏝ࢆᮇᚅࡋࡓ࠸㸬⤊ࢃࡾ࡟
ᮏㄪᰝࡣ㸪5,:,FRUS&(21LHO6HHPDQ ᩍᤵࡢࡈ༠ຊࡢඖᐇ᪋࠸ࡓࡋࡲࡋࡓᚰ࠿ࡽឤㅰ⏦ࡋୖ
ࡆࡲࡍ㸬

ཧ⪃ᩥ⊩
GRIT (2014).GreenBook Research Industry
Trend Report– A Global Study of Fresh vs.
Frequent Survey Takers – GreenBook/RIWI
Corp. Publication-05$  㸬࢖ࣥࢱ࣮ࢿࢵࢺရ㉁࢞࢖ࢻࣛ࢖ࣥ
ᯇ⏣ᫎ஧㸦㸧࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝࡢ᪂ࡋ࠸
ྍ⬟ᛶㄪᰝྐ࡟ࡳࡿᩍカ࡜᝟ሗࡢඹ᭷ᨻ⟇࡜ㄪᰝ᪥ᮏᏛ⾡఍㆟♫఍Ꮫጤဨ఍㸦2017㸧㸬ᥦゝ㸫♫఍
ㄪᰝࢆࡵࡄࡿ⎔ቃኚ໬࡜ၥ㢟ゎỴ࡟ྥࡅ࡚㸫᪥ᮏ⤒῭᪂⪺㟁Ꮚ∧ ⾗㝔㑅 㛤⚊ヲሗ
KWWSVZZZQLNNHLFRPVKXLQNDLK\R
Seeman, N., Fogler S.G., Seeman, M.V.,(2016).

Mental Health Promotion through Collectionof Global Opinion Data, Journal ofPreventive Medicine and Care⥲ົ┬㸦㸧㏻ಙ฼⏝ືྥㄪᰝ㸬ᖹᡂ  ᖺ∧⥲ົ┬᝟ሗ㏻ಙⓑ᭩(n_kishida@cross-m.co.jp ᓊ⏣඾Ꮚ)30ࢿࢵࢺࣜࢧ࣮ࢳࢆ⏝࠸ࡓ᭷ᶒ⪅ࡢ㑅ᢥ཯ᛂᐇ㦂ࡢヨࡳᮧୖ ᬛ❶㸦ᰴᘧ఍♫࣐ࢡ࣑ࣟࣝ ࣐ࢡ࣑ࣟࣝ⥲ྜ◊✲ᡤ㸧ࡣࡌࡵ࡟
࢔ࢡࢭࢫࣃࢿࣝࢆ౑ࡗࡓࢿࢵࢺࣜࢧ࣮ࢳࡣᅜẸࢆ௦⾲ࡍࡿᢳฟࡀ࡛ࡁ࡞࠸ࡓࡵ㸪ୡㄽㄪᰝࡸ㑅ᣲண ㄪᰝ࡟ࡣ౑࠼࡞࠸࡜ࡉࢀ࡚ࡁࡓ㸬ⴗཎࡣࢿࢵ
ࢺࣜࢧ࣮ࢳࢆほ ⿦⨨࡜ᤊ࠼㸪ࢿࢵࢺࣔࢽࢱ࣮ࡢ
ෆ㛶ᨭᣢ⋡࡟ࡣ RDD ࡜ࡢ㛫࡟ࢫࢥ࢔ᕪࡀᏑᅾࡋ
࡚࠸ࡓ࡜ࡋ࡚ࡶ㸪᫬⣔ิ࡛ぢࡓ࡜ࡁ࡟୧⪅ࡢᨭᣢ⋡ࡢኚ໬ࡣྠࡌᣲືࢆ♧ࡍࡇ࡜ࢆ᫂ࡽ࠿࡟ࡋࡓ㸦ⴗཎ, 2015㸧㸬ෆ㛶ᨭᣢ⋡࡟ࡘ࠸࡚ RDD ࡜࠶ࡿ⛬ᗘࡢ┦㛵ࡀぢࡽࢀࡿࡢ࡛࠶ࢀࡤ㸪ᅜᨻ㑅ᣲ࡟࠾࠸࡚ᨻඪྡ࡛ᢞ⚊ࡍࡿẚ౛༊ࡢண ࡟ࡣఱࡽ࠿ࡢ
ᙧ࡛㐺⏝࡛ࡁࡿྍ⬟ᛶࡀ኱࠸࡟࠶ࡾᚓࡿ㸬ࡋ࠿ࡋ㸪⾗㆟㝔㑅ᣲ࡟ࡣᑠ㑅ᣲ༊࡛ࡢᢞ⚊ࡶ࠶ࡿ㸬ᑠ㑅ᣲ༊ࡈ࡜࡟ೃ⿵⪅ࢆ᧦❧ࡍࡿᨻඪࡢ⤌ࡳྜࢃࡏࡶ␗࡞ࡿ㸬ࡲࡓ㸪ᑠ㑅ᣲ༊࡜࠸࠺༢఩࡛ࡣ
ᅇ⟅⪅ࡢᒃఫᆅࡢ␒ᆅࡲุ࡛᫂ࡋ࡞ࡅࢀࡤ㸪ṇ☜࡞㑅ᣲ༊ࢆ≉ᐃ࡛ࡁ࡞࠸㸬ࡑࡋ࡚㸪ࡍ࡭࡚ࡢᑠ㑅ᣲ༊࡟ࣔࢽࢱ࣮ࡀᏑᅾࡍࡿ࡜ࡣ㝈ࡽ࡞࠸㸬ᑠ㑅ᣲ༊࡛ࡶ୍ᐃࡢᶆᮏᩘࢆ☜ಖࡋࡼ࠺࡜ࡍࡿ㏻ᖖࡢࡸ
ࡾ᪉࡛ࡣࢿࢵࢺࣜࢧ࣮ࢳࡢᐇ᪋ࡣᅔ㞴ࢆᴟࡵࡿ㸬㯮㜰࣭⫧๓࣭ⰱ㔝(2014)ࡣ 4 ேࡢೃ⿵⪅ࡢ୰࠿ᅗ⾲ 㻝㻌 ᐇ㦂ㄪᰝ䛾ㄪᰝᴫせ㻌

ࡽ 1 ேࢆᢞ⚊ࡍࡿ࡜࠸࠺ᐇ㦂ࢆ⾜࠸㸪ᚓ⚊ࢩ࢙࢔ࢆ⏝࠸࡚ఱேࡢೃ⿵⪅࡟⚊ࡀ㞟୰ࡍࡿࡢ࠿࡜࠸࠺ண ࢩ࣑࣮ࣗࣞࢩࣙࣥࢆ⾜ࡗ࡚࠸ࡿ㸬ࡑࡇ࡛ᮏ◊✲࡟࠾࠸࡚ࡶண ࢩ࣑࣮ࣗࣞࢩࣙࣥ࡜࠸࠺ᴫᛕࢆ
ᑠ㑅ᣲ༊ࡢᢞ⚊ண ࡟ࡶᣑᙇ࡛ࡁ࡞࠸࠿࡜⪃࠼ࡓ㸬࣐࣮ࢣࢸ࢕ࣥࢢ࣭ࣜࢧ࣮ࢳ࡛ࡼࡃ⏝࠸ࡽࢀ࡚࠸ࡿ
㑅ᢥᐇ㦂࡜ከ㡯ࣟࢪࢫࢸ࢕ࢵࢡᅇᖐศᯒࢆ㑅ᣲண࡟㐺⏝ࡋ࡚㸪ᑠ㑅ᣲ༊ࡢᢞ⚊ඛࡢண ࡢᐇ⏝ྍ⬟ᛶࢆ᳨ドࡋࡓ࠸㸬ᐇ㦂ㄪᰝࡢᐇ᪋ᴫせᮏ◊✲࡛ࡣ 2017 ᖺ⛅ࡢ⾗㝔㑅ࢆࢣ࣮ࢫࢫࢱࢹ
࢕࡟㸪ᢞ⚊๓ࡢ஦๓ㄪᰝ࡜ᢞ⚊ᚋࡢ஦ᚋㄪᰝࡢ 2ᅇ࡟ศࡅ࡚ᐇ᪋ࡋࡓ㸬ࡑࢀࡒࢀࡢㄪᰝᴫせࢆᅗ⾲
1 ࡟♧ࡍ㸬
஦๓ㄪᰝ࡟࠾࠸࡚ࡣᨭᣢᨻඪࡸᢞ⚊ពྥ࡟㛵
ࡍࡿ㉁ၥ࡟ຍ࠼࡚㸪WEB ㄪᰝ⏬㠃ෆ࡛᝟ሗࢆ࿊
♧ࡋࡓ࡜ࡁ࡟᭷ᶒ⪅ࡢᢞ⚊ពྥࢆㄪ࡭ࡿࡓࡵࡢ㑅ᢥ཯ᛂᐇ㦂ࢆ⾜ࡗࡓ㸬ࡑࡋ࡚஦ᚋㄪᰝ࡛ࡣ㸪ᐇ㝿࡟ᢞ⚊ࡋࡓᨻඪࡢ࡯࠿㸪ᢞ⚊ඛࢆ෩ᐃࡍࡿࡲ࡛ࡢ
ᢞ⚊ពྥࡢኚ໬ࡸ㑅ᣲ⤖ᯝࡢឤ᝿ࢆ㉁ၥࡋࡓ㸬

হ৐৹ਪ

হ৏৹ਪ

৹ਪু১

崌嵛崧嵤崵崫崰৹ਪ崌嵛崧嵤崵崫崰৹ਪ৹ਪৎ਋ ফ  া  ঩ ਽ ‫ ع‬ফ  া  ঩ ଅ  ফ  া ঩ া ‫ ع‬ফ  া  ঩ স৚௦঻ਯ য য৹ਪৌ଴৉ୠ৸  ব৸  ব

ৌ଴঻૖੯੬੓  ୃ   ‫پ‬যઠ৿ଙ峕峲峵સહহ৐৹ਪ峘৚௦঻৹ਪ৔ઍ嵣 ੍੅৆ਇ‫ط‬਍೅৔ద੍੅嵣 ਺௠峘થ૮嵣 ಃ৮੹৭峘ଥਡ嵣 ৭଱ય‫୻ૻ؜‬ય峘਺௠峁峉৆ਇ嵣 ೦১੝ਫ‫ط‬଎ાઘੜઘ‫ط‬ਉ৅峘ગ༎௮峢峘එ৊嵣 ਺௠ਔ਱峘૗৲峘થ૮嵣 ਺௠੔峘੎ଳඨ৯‫ق‬৭଱ય‫୻ૻط‬ય‫ك‬嵣 ഊ岮ਢ岻峉৆ਇ‫ੂ؜‬峫峕਺௠峁峲岰峒峁峉৆ਇ嵣 ಃ৮੹৭峘਺௠峕ষ岹岵嵣 ৭଱੥ટ峘৮ఆਯ峘૎୳嵣 ৭଱ય峑峘৆ਇੌ়峅峕峲峵਺௠ਔ਱嵣 ਺௠峁峉岹峔岮৆ਇ‫؜‬峨峉峙਺௠૭ચਙ峘岬峵৆ਇ嵣 ৭଱ੲિ峘ੲਾ઀୹ৎ峘਺௠ਔ਱嵣 ৚௦঻峕峲峵ଖਇ৮ఆਯ੒୳

31஦ᚋㄪᰝ࡟࠾ࡅࡿᢞ⚊ඛ஦ᚋㄪᰝ࡛⫈ྲྀࡋࡓᢞ⚊ඛ࡜⾗㝔㑅ࡢᨻඪู⋓ᚓ⚊ᩘࡢᐇ⦼࡜ࡢẚ㍑ࢆᅗ⾲ 2 ࡟♧ࡍ㸬➨୍ඪ࡜࡞ࡗࡓ⮬⏤Ẹ୺ඪࡢẚ౛༊࡛ࡢ๭ྜࡣ㑅ᣲ⤖ᯝ࡜ࢿࢵࢺࣜࢧ࣮ࢳࡢ⤖ᯝࡀ࡯ࡰ୍⮴ࡋࡓ㸬ࡋ࠿ࡋ࡞ࡀࡽ㸪ᑠ㑅ᣲ༊࡛ࡣ⣙ 7 ࣏࢖ࣥࢺࡢᕪࡀ⏕ࡌ࡚࠸ࡿ㸬ࡸࡣࡾᑠ㑅ᣲ༊ࡈ࡜࡟๭௜࡛ࡁ࡞࠸ࢿࢵࢺࣜ
ࢧ࣮ࢳ࡛ࡣᐇ㝿ࡢᚓ⚊⋡࡜ࡢ஋㞳ࡀ⏕ࡌࡸࡍ࠸㸬ࡲࡓ㸪ᅗ⾲ 3 ࡣࢿࢵࢺࣜࢧ࣮ࢳࡢẚ౛༊࡛ᢞ⚊ࡋࡓᨻඪࢆᖺ௦ู࡟ࢡࣟࢫ㞟ィࡋࡓࡶࡢ࡛࠶ࡿ㸬ᐇ㝿ࡢᖺ௦ูࡢᢞ⚊⤖ᯝࡣุࡽ࡞࠸ࡀ㸪ࢿࢵࢺࣜࢧ࣮ࢳࡢ⤖ᯝ࠿ࡽ᥎ᐹࡍࡿ࡜ⱝᖺᒙ࡯࡝⮬Ẹඪࢆᢞ⚊ࡋ࡚࠸ࡓྍ⬟ᛶࡀ㧗࠸㸬ࡑࡋ࡚㸪஦๓ㄪᰝ࡛⪺࠸ࡓᨭᣢᨻඪ࡜ᢞ⚊ணᐃඛ࡜ᐇ㝿ࡢᢞ⚊ඛࡀ࡝ࡢࡼ࠺࡟⛣ࡾኚࢃࡗࡓࡢ࠿
ࢆ♧ࡋࡓࡢࡀᅗ⾲ 4 ࡛࠶ࡿ㸬ᙜ↛㸪≉ᐃࡢᨻඪࢆᨭᣢࡋ࡚࠸ࡿேࡣ㸪ࡑࡢᨭᣢࡍࡿᨻඪ࡬ᢞ⚊ࡍࡿேࡢ๭ྜࡀ᭱ࡶከ࠸ࡇ࡜ࡣ
᝿ീ࡛ࡁࡿࡀ㸪ࡍ࡭࡚ࡑࡢᨻඪ࡬ᢞ⚊ࡍࡿࢃࡅ࡛
ࡣ࡞࠸㸬ࡲࡓ㸪↓ඪὴᒙࡢேࡣ㏞࠸࡞ࡀࡽࡶᐇ㝿࡟ᢞ⚊࡟ࡣ⾜࠿࡞࠿ࡗࡓேࡶぢࡽࢀࡿ㸬ࡉࡽ࡟ࡣ᭱ึ࡟ᕼᮃࡢඪ࡟ᢞ⚊ࡋࡼ࠺࡜ࡋࡓேࡀ୍ᐃᩘࡋ
ࡓࡶࡢࡢ㸪᭱⤊ⓗ࡟ࡣ௚ࡢᨻඪ࡟ὶࢀ࡚ࡋࡲࡗ࡚
࠸ࡿᵝᏊࡶ࠺࠿ࡀ࠼ࡿ㸬㻌ᅗ⾲ 㻞㻌 ⾗㆟㝔㑅䛾ᐇ⦼䛸䝛䝑䝖䝸䝃䞊䝏䛾ẚ㍑

ᅗ⾲ 㻟㻌 ẚ౛༊䛷䛾ᖺ௦ูᢞ⚊ඛᅗ⾲ 㻠㻌 ᨭᣢᨻඪู䛻䜏䛯ᢞ⚊ពྥ䛾ኚ㑄੍੅৆ਇ               ਈੂ峘਺௠ਔ਱                ઉ৐峘਺௠ਔ਱              ৰ੠峘਺௠੔32㑅ᣲ᝟ໃࡢ᝟ሗᥦ౪࡟ࡼࡿᢞ⚊⾜ື࡬ࡢᙳ㡪ศᯒ࡛ࡣ㆟ᖍᩘண᝿ࡢ᝟ሗࡣ㸪୚㔝ඪࡢ᝟ໃ࡟ࡼࡗ
࡚᭷ᶒ⪅ࡢᢞ⚊⾜ື࡟࡝ࡢࡼ࠺࡞ᙳ㡪ࢆ୚࠼࡚࠸
ࡿࡢࡔࢁ࠺࠿㸬௒ᅇࡢᐇ㦂࡛ࡣ୚ඪࡢ㆟ᖍᩘࡀ 3
ศࡢ 2 ௨ୖ㸭3 ศࡢ 2 ࣛ࢖ࣥ㸭㐣༙ᩘ࠿ࡽ 3 ศࡢ
2 ࡢ㛫㸭㐣༙ᩘࣛ࢖ࣥ㸭㐣༙ᩘ๭ࢀࡢ㸳ࡘࡢ௬᝿᮲௳ࢆタᐃࡋ࡚㸪ࡑࢀࡒࢀࢣ࣮ࢫ࡟࠾ࡅࡿẚ౛༊࡛ࡢᢞ⚊ពྥࢆ㉁ၥࡋࡓ㸦ᅗ⾲ 5㸧㸬୚ඪࡢ⋓ᚓ㆟ᖍᩘࡀࠕ㐣༙ᩘ๭ࢀࠖ࡜ண᝿ࡉࢀ
ࡓ࡜ࡁࡣ୚ඪ࡬ࡢᢞ⚊ពྥࡣ᭱ࡶ㧗ࡃ 44.7%࡛࠶
ࡗࡓ㸬ࡑࡋ࡚㸪ࠕ3 ศࡢ 2 ௨ୖࠖࡢ࡜ࡁ࡟୚ඪ࡬ࡢ
ᢞ⚊ពྥࡀ᭱ࡶపࡃ 37.5%࡛࠶ࡗࡓ㸬ࡇࡢࡼ࠺࡟
୚ඪࡀ⋓ᚓࡍࡿ㆟ᖍࡢண᝿ࡀቑ࠼ࡿࡇ࡜࡛㸪ࡑࢀࢆጉࡆࡿ᪉ྥ࡟స⏝ࡍࡿᙧ࡛㸪ẚ౛༊ࡢᢞ⚊ពྥࡣኚືࡍࡿࡇ࡜ࡀ☜ㄆࡉࢀࡓ(ᅗ⾲ 6)㸬
ᅗ⾲ 㻢㻌 ㆟ᖍᩘண᝿䛾᝟ሗᥦ౪䛻䜘䜛ᢞ⚊ពྥ㻌ᅗ⾲ 㻡㻌 ㄪᰝ⏬㠃ෆ䛷䛾᝟ሗᥦ౪䛾౛㻌ḟ࡟㸪ᨭᣢᨻඪู࡟㆟ᖍᩘண᝿ࡢ᝟ሗᥦ౪ࢆ⾜ࡗࡓ࡜ࡁ㸪ᢞ⚊ពྥࡀ࡝࠺ኚࢃࡿ࠿ࢆ♧ࡋࡓࡶࡢࡀᅗ⾲ 7 ࡛࠶ࡿ㸬㔝ඪᨭᣢ⪅ࡣ㑅ᣲ᝟ໃࡢ᝟ሗᥦ
౪ࡀ࠶ࡗ࡚ࡶᢞ⚊ពྥࡣ࡯࡜ࢇ࡝ኚࢃࡽ࡞࠸ࡀ㸪ᨭᣢᨻඪࡀ࡞࠸ேࡣ㑅ᣲ᝟ໃࡢᙳ㡪ࢆཷࡅࡸࡍ࠸
ࡇ࡜ࡀุࡿ㸬ᅗ⾲ 㻣㻌 ㆟ᖍᩘண᝿䛾᝟ሗᥦ౪䛻䜘䜛ᢞ⚊ពྥ䛾ᨭᣢᨻඪ㛫ẚ㍑㻌

33


ᑠ㑅ᣲ༊࡟࠾ࡅࡿ㑅ᢥ⾜ືᐇ㦂࡜ண ศᯒ࣐࣮ࢣࢸ࢕ࣥࢢ࣭ࣜࢧ࣮ࢳ࡛ࡣ᪂ၟရࡢࢩ࢙࢔ண ࢆࡍࡿࡓࡵ࡟㸪ᗘࠎࢥࣥࢪࣙ࢖ࣥࢺศᯒ࡜࿧
ࡤࢀࡿ㑅ᢥ⾜ືᐇ㦂ࢆ⾜࠺ࡇ࡜ࡀ࠶ࡿ㸬ࡇࢀࡣ」ᩘࡢၟရࢆ୪࡭࡚࿊♧ࡋ࡚㸪᮲௳ࢆኚ࠼ࡓ࡜ࡁ࡟
ᾘ㈝⪅ࡣఱࢆ㑅ᢥࡍࡿࡢ࠿࡜࠸࠺཯ᛂࢆࡳࡿࡶࡢ
࡛࠶ࡿ㸬ᮏ◊✲࡛ࡣ㸪ࡇࡢᡭἲࢆᑠ㑅ᣲ༊࡟࠾ࡅ
ࡿྛᨻඪࡢᚓ⚊ᩘࡢࢩ࢙࢔ண ࡟㐺⏝ࡋ࡚ࡳࡓ㸬ࡲࡎ㸪ᩘከࡃࡢᨻඪࡀ࠶ࡿ୰࡛㸪ࡍ࡭࡚ࡢࣃࢱ
࣮ࣥ࡟ࡘ࠸࡚₃ࢀ࡞ࡃㄪᰝࡍࡿࡇ࡜ࡣ㞴ࡋ࠸㸬ᮏ᮶࡞ࡽࡤᐇ㦂ィ⏬ἲࢆ⏝࠸࡚ศᯒ࡟ᚲせ࡞᭱ప㝈ࡢ⤌ࡳྜࢃࡏᩘࢆ⟬ฟࡍࡿࢃࡅࡔࡀ㸪௒ᅇࡣྍ⬟ᛶࢆ᥈ࡿࡓࡵࡢᐇ㦂࡜࠸࠺఩⨨௜ࡅ࡜ࡋࡓࡓࡵ㸪ࡉࡽ࡟⡆᫆ⓗ࡞ᙧ࡛ㄪᰝタィࢆ⾜ࡗࡓ㸬᭱ࡶከࡃࡢᑠ㑅ᣲ༊࡟ೃ⿵⪅ࢆ᧦❧ࡋ࡚࠸ࡓ⮬Ẹඪ࡜࡝ࡢᨻඪ࡟ᒓࡉ࡞࠸↓ᡤᒓࡢೃ⿵⪅ࢆ㑅ᢥ⫥࡜ࡋ࡚ᚲࡎ⾲♧ࡋࡓ㸬ࡉࡽ࡟㸪୺࡞㔝ඪࡢ࠺ࡕ㸪ೃ⿵⪅ࡢ᧦❧ࡢ㝿࡟ㄪᩚࢆ⾜ࡗ࡚࠸ࡓࠕᕼᮃࡢඪ
᪥ᮏ⥔᪂ࡢ఍ࠖ
ࠕ❧᠇Ẹ୺ඪඹ⏘ඪࠖࡣྠ୍ࡢᑠ
㑅ᣲ༊ෆ࡟❧ೃ⿵ࡋ࡞࠸࡜௬ᐃࡋࡓ㸬ࡑࡋ࡚㸪ᅇ⟅⪅࡟ᑐࡋ࡚㔝ඪ㸯࡜㔝ඪ  ࡢ㑅ᢥ⫥ࡢ⤌ࡳྜࢃࡏࡓ࡜ࡁࡢ 4 ᅇࡢ௬᝿ࡢᑠ㑅ᣲ༊࡛ࡢᢥ୍ᘧࡢ㑅ᢥᐇ㦂ࢆ⧞ࡾ㏉ࡋࡓ㸬ᅗ⾲ 㻤㻌 㑅ᢥᐇ㦂䛻⏝䛔䛯㑅ᢥ⫥䛾⤌䜏ྜ䜟䛫㻌ঽড়ਇ  ૑೼峑਀ં

৙ਇ‫ ڭ‬ൌ஦峘ਇ 峨峉峙 ঩ম೐ৗ峘ভ৙ਇ‫ ڮ‬য়೦ড়਌ਇ 峨峉峙 ુਓਇ૮ਚര ૑೼ࡑࡋ࡚㸪ྛᨻඪࡢ⋓ᚓ⚊ᩘࡢண ࢩ࢙࢔ࢆḟᘧ࡟ࡼࡗ࡚⟬ฟࡋࡓ㸬 ൌࡓࡔࡋ㸪ᅗ⾲ 9 ࡟ᥖࡆࡓ᥎ᐃ⤖ᯝࡣᐇ㦂࡟ᅇ⟅ࡋࡓࢧࣥࣉࣝࡢᨭᣢᨻඪࡢᵓᡂẚࡢᙳ㡪ࢆཷࡅ࡚ࡋࡲ࠺㸬ࡑࡇ࡛ᚋ࠿ࡽ࡛ࡶᨭᣢᨻඪࡢẚ⋡ࢆㄪᩚ࡛ࡁࡿࡼ࠺࡟୚ඪᨭᣢᒙ࣭㔝ඪᨭᣢᒙ࣭↓ඪὴᒙ
ࡢ 3 ࢢ࣮ࣝࣉ࡟ศࡅ࡚ࣃ࣓࣮ࣛࢱࢆ᥎ᐃࡋ㸪ᢞ⚊ពྥ⋡ࢆ⪃៖ࡋࡓୖ࡛ࡢྛᨻඪࡢᚓ⚊⋡ࡢண᝿ࢆ⾜ࡗࡓ(ᅗ⾲ 10)㸬ᅗ⾲ 㻝㻜㻌 㑅ᢥᐇ㦂䛻ᇶ䛵䛔䛯ᢞ⚊ඛண 㻌ଖਇ੍੅ ৙ਇ੍੅
Qਯ
਺௠ਔ਱૨
崎崐崌崰

ᅗ⾲ 㻥㻌 㑅ᢥ⾜ືᐇ㦂䛾᥎ᐃ⤖ᯝ䠄඲ᅇ⟅⪅䠅㻌୚ ඪ 䝎 䝭 䞊 ߚଵ

0.854

0.037

23.237 ***ಖ Ᏺ 䝎 䝭 䞊 ߚଶ

0.384

0.051

7.474 ***ᕼ ᮃ 䝎 䝭 䞊 ߚଷ

0.032

0.050

0.646

❧ Ẹ 䝎 䝭 䞊 ߚସ

0.719

0.051

13.976 ***䛭䛾௚䝎䝭䞊ߚହ

0.535

0.044

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㸬௒ᚋࡢㄢ㢟ᮏ◊✲࡟࠾࠸࡚ࡣ㸪ࢿࢵࢺࣜࢧ࣮ࢳࡀ RDD࡟ኚࢃࡿᶆᮏㄪᰝ࡜ࡋ࡚ࡢ⨨᥮ࡣ㞴ࡋ࠸ࡇ࡜ࡣ஦ᐇ
࡜ࡋ࡚ཷࡅධࢀࡘࡘࡶ㸪WEB ㄪᰝ⏬㠃ࡢ㑅ᢥ཯ᛂᐇ㦂ࡢ⤖ᯝ࠿ࡽண ࣔࢹࣝࢆᵓ⠏ࡍࡿࡇ࡜࡛㸪ᵝࠎ࡞ᨻඪࡢ⤌ࡳྜࢃࡏࢆタᐃࡋࡓ࡜ࡁࡢᑠ㑅ᣲ༊ࡢᢞ⚊ඛࢆண ࡍࡿࡇ࡜ࡀ࡛ࡁࡓ㸬ࡋ࠿ࡋ࡞ࡀࡽ㸪ࡲࡔᐇ㝿ࡢᑠ㑅ᣲ༊࡛ࡢண ⤖ᯝ࡜⾗㆟㝔㑅ࡢᐇ⦼࡜ࡢẚ㍑᳨ドࡣ࡛ࡁ࡚࠸࡞࠸㸬௒ᚋࡢㄢ㢟࡜ࡋ࡚ࡣ㸪ண ࣔࢹࣝࡢጇᙜᛶࡢ᳨ドࡢ࡯࠿㸪ᨻඪᩘࢆᣑᙇࡋࡓ࡜ࡁࡢᐇ㦂ィ⏬࡟ᇶ࡙࠸ࡓ㑅ᢥ཯ᛂᐇ㦂ࡢヨ⾜ࡸᑠ㑅ᣲ༊ࡀᣢࡘᅛ᭷ࡢ
≉ᛶࡢ⪃៖࡞࡝㸪ࠕண ࠖ࡜ࡋ࡚ࡢ⤒㦂್ࢆ✚ࡳ㔜ࡡ࡚࠸ࡃࡇ࡜ࡀ⪃࠼ࡽࢀࡿ㸬ཧ⪃ᩥ⊩ᨻඪࡀᥖࡆ࡚࠸ࡿᨻ⟇㸪ಖᏲ⣔࣭ࣜ࣋ࣛࣝ⣔࡟࡜࠸ࡗࡓྛᨻඪࡢ≉ᚩࢆᵓᡂࡍࡿࢲ࣑࣮ኚᩘࢆタᐃࡋ㸪ከ㡯ࣟࢪࢫࢸ࢕ࢵࢡᅇᖐศᯒ࡟ࡼࡾࣃ࣓ࣛ
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Estimate൫ߚ௜ ൅ ߚ௝ ൯σ ሺߚ௜ ൅ ߚ௝ ሻ

t-valueⴗཎ㞞அ(2015). ࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝ࡟ࡼࡿୡㄽほࡢヨࡳ㸫ࠕ✵Ẽࠖࡢኚ໬ࢆヲ⣽࣭㎿㏿࡟ᤊ࠼ࡿࡓࡵࡢⓎ᝿࡜ᐇ㊶㸫㸪 ➨ 5 ᅇୡㄽ࣭㑅ᣲㄪᰝ◊✲኱఍≉㞟ྕ㸪 51-58.
㯮㜰೺࿃࣭⫧๓ὒ୍࣭ⰱ㔝⍆⨾(2014). ᐇ㦂ᐊᐇ㦂࡟ࡼࡿ M+1 ࣮ࣝࣝࡢ᳨ド㸪᪥ᮏ㑅ᣲᏛ఍ᖺሗ 30(1),
16-30.

Signif. codes: p-value < 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’
Log-Likelihood: -1414234᭷ᶒ⪅ಶேࡢᨭᣢᨻඪኚ໬ࡣண ࡛ࡁࡿ࠿ 㸫ࣞࢫ࣏ࣥࢫ࣭ࣞ࢖ࢸࣥࢩ࣮ࢆ⏝࠸ࡓ᪂ᣦᶆࡢᥦ᱌㸫ஂෆ భඔ
஧⎼ ဴஓ
㸦ᰴᘧ఍♫࢖ࣥࢸ࣮ࢪ㸧ࡣࡌࡵ࡟
 2017 ᖺ 10 ᭶࡟ᢞ㛤⚊ࡀ⾜ࢃࢀࡓ⾗㆟㝔㑅ᣲ࡛ࡣ㸪Ᏻಸ㤳┦ࡢ⾗㆟㝔ゎᩓ⾲᫂࡜ྠ᪥࡟ᑠụẶࡀࠕᕼᮃࡢඪࠖࢆⓎ⾲㸬ࡑࡢᚋ㸪ࠕẸ㐍ඪࠖࡢ஦ᐇୖ
ࡢゎඪࡀሗࡌࡽࢀࡿ࡜㸪ᯞ㔝Ặࡀࠕ❧᠇Ẹ୺ඪࠖࡢ᪝ᥭࡆࢆ⾲᫂ࡍࡿ࡞࡝㸪㑅ᣲᮇ㛫୰࡟ྛඪࡢື
ྥࡀࢽ࣮ࣗࢫ࡜࡞ࡗࡓ㸬ࡲࡓ㑅ᣲᡓ࡟࠾࠸࡚ࡣ㸪ࠕ⮬⏤Ẹ୺ඪࠖࡢໃ࠸㸪ࠕ❧᠇Ẹ୺ඪࠖࡢ㌍㐍㸪ࡑࡢ୍᪉࡛ࠕᕼᮃࡢඪࠖࡢⱞᡓ࡞࡝㸪ྛඪࡢ᝟ໃࡸ
⋓ᚓ㆟ᖍᩘண᝿ࡀ᪥ࠎሗࡌࡽࢀ㸪⮬ࡽࡢ୍⚊ࢆ࡝ࡢᨻඪ࣭ೃ⿵⪅࡟ᢞࡌࡿࡢ࠿㸪ࡇࢀࡽࡢ᝟ሗࡶཧ
⪃࡟ࡋ࡞ࡀࡽ᳨ウࡋࡓ᭷ᶒ⪅ࡶከ࠿ࡗࡓࡶࡢ࡜ᛮ
ࢃࢀࡿ㸬ࡑࡢࡼ࠺࡞⎔ቃࡢ୰࡛㸪᭷ᶒ⪅ࡢᢞ⚊ពྥඛࢆண ࡍࡿࡇ࡜ࡣྍ⬟࡞ࡢࡔࢁ࠺࠿㸬୍᪉࡛㸪᭷ᶒ⪅ࡢᢞ⚊⾜ື࡟ᑐࡍࡿ࣓ࢹ࢕࢔ࡢ
ᙳ㡪࡟㛵ࡋ࡚ࡣࠕ࢔ࢼ࢘ࣥࢫ࣓ࣥࢺຠᯝࠖࡀ᭷ྡ
࡛࠶ࡾ㸪≉࡟㑅ᣲ࡟㛵ࡍࡿୡㄽㄪᰝࡢ⤖ᯝࢆぢ⪺ࡁࡋ࡚ᢞ⚊ඛࡢኚ᭦ࡸᢞ⚊࣭Რᶒ࡬ࡢ㌿ྥ࡞࡝ᢞ⚊⾜ືࡀ࡝࠺ኚࢃࡿ࠿ࡀ◊✲ࡉࢀ࡚࠸ࡿ㸬௒ᅇࡣ 2017 ᖺ 10 ᭶ࡢ⾗㆟㝔㑅ᣲࢆྲྀࡾୖࡆ㸪ࡲࡎᢞ⚊᪥ᚋࡶྵࡵ࡚ 3 ᅇࡢ㐃⥆ㄪᰝ࠿ࡽᢞ⚊ពྥඛᨻඪ㸦ᢞ⚊᪥௨㝆ࡣᢞ⚊ඛᨻඪ㸧ࡢኚ໬ࢆ☜ㄆࡍࡿ㸬ࡉࡽ࡟㸪㉁ၥࡢᅇ⟅࡟せࡋࡓ᫬㛫㸦௨ୗ㸪ࣞࢫ࣏ࣥࢫ࣭ࣞ࢖ࢸࣥࢩ࣮㸧ࢆ⏝࠸ࡓࠕᨭᣢࡢᙉ
ᅛࡉࠖ࡜࠸࠺᭷ᶒ⪅ࡢෆⓗ࡞せᅉ࡟㛵ࡍࡿ᪂ᣦᶆ
㸦☜ಙᗘࢫࢥ࢔㸧ࢆ⏝࠸ࡓศᯒ⤖ᯝ࡜௒ᚋࡢά⏝࡟ࡘ࠸࡚⪃ᐹࡍࡿ㸬ࣞࢫ࣏࢖ࣥࢫ࣭ࣞ࢖ࢸࣥࢩ࣮ࢆά⏝ࡋࡓඛ⾜◊✲࡛ࡣ㸪୺࡟㟁ヰㄪᰝ࡟࠾ࡅࡿᅇ⟅᫬㛫ࢆィ ࡋ㸪ᅇ⟅᫬㛫ࡢ▷࠸᪉ࡀ㸪ᅇ⟅ࡢែᗘࡀᏳᐃࡋ࡚࠸ࡿ
ࡇ࡜ࡀ♧ࡉࢀ࡚ࡁࡓ 0D\HUO0XOOLJDQ*UDQW 0RFNDEHH 0RQVRQ㸧㸬௒ᅇࡢㄪᰝ
࡟࠾࠸࡚ࡣ㸪࢖ࣥࢱ࣮ࢿࢵࢺㄪᰝ࡟࠾ࡅࡿྛᨻඪ
ᨭᣢ࡟㛵ࡍࡿ㉁ၥ࡟ࡘ࠸࡚㸪ࣞࢫ࣏ࣥࢫ࣭ࣞ࢖ࢸ
ࣥࢩ࣮ࢆ⏝࠸ࡿࡇ࡜࡟ࡼࡾ㸪ࠕᨭᣢࡢᙉᅛࡉࠖࢆィ࡛ࡁࡿྍ⬟ᛶ࡟ࡘ࠸࡚ሗ࿌ࡍࡿ㸬ㄪᰝᴫせ ௒ᅇࡢㄪᰝ࡛ࡣ㸪ྠ୍ᅇ⟅⪅࡟ᑐࡋ࡚ᢞ⚊᪥๓
࡟ 2 ᅇ㸪ᢞ⚊᪥ᚋ࡟ 1 ᅇ㸪ィ 3 ᅇࡢ࢖ࣥࢱ࣮ࢿࢵ
ࢺㄪᰝࢆᐇ᪋ࡋࡓ㸬ྛᅇࡢㄪᰝᐇ᪋ᮇ㛫㸪࠾ࡼࡧ᭷ຠᅇ⟅ᩘࡣᅗ⾲ 1 ࡟♧ࡍ࡜࠾ࡾ㸬ᅗ⾲ 㸬ㄪᰝᐇ᪋ᮇ㛫࡜᭷ຠᅇ⟅ᩘ
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䡚㻞㻜㻝㻣㻛㻝㻜㻛㻝㻟㻞㻜㻝㻣㻛㻝㻜㻛㻝㻢ᢞ⚊᪥䠍㐌㛫๓ㄪᰝ䡚㻞㻜㻝㻣㻛㻝㻜㻛㻝㻤⾗㆟㝔㑅ᣲᢞ㛤⚊᪥㻟ᢞ⚊᪥⩣᪥ㄪᰝ

㻞㻜㻝㻣㻛㻝㻜㻛㻞㻟䡚㻞㻜㻝㻣㻛㻝㻜㻛㻞㻢௒ᅇࡢศᯒ࡛ࡣ㸪᭷ᶒ⪅ࡢᢞ⚊ពྥඛ㸦ᢞ⚊ඛ㸧ࡢኚ໬ࢆ☜ㄆࡍࡿࡓࡵ㸪3 ᅇࡍ࡭࡚ࡢㄪᰝ࡟ᅇ⟅ࡋࡓ 1,205 ࢧࣥࣉࣝࢆศᯒᑐ㇟࡜ࡋ㸪ᛶᖺ௦ᵓᡂ
ẚࢆ㸪
2015 ᖺᗘᐇ᪋ᅜໃㄪᰝࢹ࣮ࢱࢆᇶ࡟సᡂࡋ
ࡓேཱྀᵓᡂẚ࡟࠶ࢃࡏ࡚࢚࢘࢖ࢺࣂࢵࢡࢆᐇ᪋ࡋ
ࡓ㸬࢚࢘࢖ࢺࣂࢵࢡ๓ᚋࡢᛶᖺ௦ᵓᡂࡣᅗ⾲ 2 ࡟♧ࡍ࡜࠾ࡾ㸬ᅗ⾲ 㸬ศᯒᑐ㇟ࢹ࣮ࢱࡢᛶᖺ௦ᵓᡂ
ᛶᖺ௦⏨ᛶ㻝㻤㻙㻝㻥ṓ⏨ᛶ㻞㻜㻙㻞㻥ṓ⏨ᛶ㻟㻜㻙㻟㻥ṓ⏨ᛶ㻠㻜㻙㻠㻥ṓ⏨ᛶ㻡㻜㻙㻡㻥ṓ⏨ᛶ㻢㻜㻙㻢㻥ṓዪᛶ㻝㻤㻙㻝㻥ṓዪᛶ㻞㻜㻙㻞㻥ṓዪᛶ㻟㻜㻙㻟㻥ṓዪᛶ㻠㻜㻙㻠㻥ṓዪᛶ㻡㻜㻙㻡㻥ṓዪᛶ㻢㻜㻙㻢㻥ṓ35䜴䜶䜲䝖䝞䝑䜽๓ᗘᩘᵓᡂẚ㻝㻘㻞㻜㻡 㻙
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ㄪᰝ⤖ᯝᢞ⚊ពྥඛ㸦ᢞ⚊ඛ㸧ᨻඪࡢኚ໬
᭷ᶒ⪅ಶேࡢ୰࡛ࡣ㸪ᢞ⚊ࡋࡓ࠸ᨻඪࡣ࡝ࡢࡼ
࠺࡟ኚ໬ࡋ࡚࠸ࡗࡓࡢ࠿㸬ᚓ⚊ᩘୖ఩ࡢࠕ⮬⏤Ẹ୺ඪࠖࠕ❧᠇Ẹ୺ඪࠖ
ࠕᕼᮃࡢඪࠖࡢ 3 ᨻඪ࡟╔┠ࡋ࡞ࡀࡽ㸪ᢞ⚊ពྥᨻඪࡢὶධ࣭ὶฟ࡜㸪ᐇ㝿ࡢᢞ⚊ඛࢆศᯒࡍࡿ㸬ࡲࡎ㸪ࠕձබ♧᪥⩣᪥ㄪᰝࠖ࠿ࡽࠕղᢞ⚊᪥㸯㐌㛫๓ㄪᰝࠖࡢ 1 㐌㛫ᙅ࡛ࡢኚ໬࡟╔┠ࡍࡿ࡜㸪ࠕձබ♧᪥⩣᪥ㄪᰝࠖ᫬Ⅼ࡛ࠕ⮬⏤Ẹ୺ඪࠖࠕ❧᠇Ẹ୺ඪࠖ࡟ᢞ⚊ணᐃ࡜ᅇ⟅ࡋ࡚࠸ࡓே࡛ࡣ㸪ࡑࢀࡒࢀ88%㸪80%ࡀࠕղᢞ⚊᪥㸯㐌㛫๓ㄪᰝࠖ᫬Ⅼ࡛ࡶྠ୍ᨻඪ࡟ᢞ⚊ணᐃ࡜ᅇ⟅ࡋ࡚࠸ࡿࡢ࡟ᑐࡋ㸪ࠕᕼᮃࡢඪࠖ࡟ᢞ⚊ணᐃ࡜ᅇ⟅ࡋ࡚࠸ࡓே࡛ࡣ㸪ኚࢃࡽࡎࠕᕼᮃࡢඪࠖ࡟ᢞ⚊ணᐃ࡜ᅇ⟅ࡋࡓேࡢ๭ྜ
ࡀ 57%࡟࡜࡝ࡲࡗ࡚࠸ࡿ㸬ṧࡾࡢ 43%ࡣ࡝ࡢᨻඪ
࡬࡜ᢞ⚊ணᐃࡀኚ໬ࡋࡓࡢ࠿ࢆ☜ㄆࡍࡿ࡜㸪ከ࠿ࡗࡓࡢࡣࠕỴࡵ࡚࠸࡞࠸ࠖࡢ 17%࡛㸪୍ᗘࡣࠕᕼ
ᮃࡢඪࠖࢆᢞ⚊ணᐃඛ࡜ࡋࡓࡶࡢࡢ㸪ࡇࡢ㛫ࡢ᝟ሗ᥋ゐ➼ࡢᙳ㡪ࡶ࠶ࡗ࡚࠿㸪࠸ࡲ୍ᗘ᳨ウࡋࡼ࠺࡜⪃࠼ࡓேࡀ㸪ࠕᕼᮃࡢඪࠖᢞ⚊ணᐃ⪅࡛ࡣ௚ඪ࡜
ẚ࡭ࡿ࡜ከ࠸ࡇ࡜ࡀࢃ࠿ࡿ㸬ࡲࡓ㸪ࠕᕼᮃࡢඪࠖࢆ
ᢞ⚊ணᐃඛ࡜ࡋ࡚࠸ࡓேࡢ࠺ࡕ 10%ࡣ㸪ࠕղᢞ⚊᪥㸯㐌㛫๓ㄪᰝࠖ᫬Ⅼ࡛ࡣࠕ❧᠇Ẹ୺ඪࠖ࡬࡜ᢞ
⚊ணᐃඛࢆኚ࠼࡚࠸ࡿ㸬⥆࠸࡚㸪ࠕղᢞ⚊᪥㸯㐌㛫๓ㄪᰝࠖ࠿ࡽࠕճᢞ⚊᪥⩣᪥ㄪᰝࠖࡢ⣙ 1 㐌㛫࡛ࡢኚ໬࡟╔┠ࡍࡿ࡜㸪ࡲࡎ┠ࢆࡦࡃࡢࡣ㸪ࠕ❧᠇Ẹ୺ඪࠖᢞ⚊ணᐃ⪅ࡢᐇ㝿ࡢᢞ⚊๭ྜࡢ㧗ࡉ࡛㸪ࠕղᢞ⚊᪥㸯㐌㛫๓ㄪᰝࠖ
᫬Ⅼ࡛ࠕ❧᠇Ẹ୺ඪࠖ࡟ᢞ⚊ணᐃ࡜ᅇ⟅ࡋ࡚࠸ࡓேࡢ࠺ࡕ 91%ࡀᐇ㝿࡟ࠕ❧᠇Ẹ୺ඪࠖ࡟ᢞ⚊ࡋࡓ࡜ᅇ⟅ࡋ࡚࠸ࡿ㸬୍᪉࡛㸪ࠕᕼᮃࡢඪࠖࢆぢ࡚ࡳࡿ࡜㸪ᢞ⚊᪥࠿ࡽᢞ⚊᪥ 1 㐌㛫๓ࡢ 2 ᫬Ⅼ࡛ࡢẚ㍑⤖ᯝ࡜ྠᵝ㸪
ࠕղᢞ⚊᪥㸯㐌㛫๓ㄪᰝࠖ࠿ࡽࠕճᢞ
⚊᪥⩣᪥ㄪᰝ࡛ࠖྠ୍ᨻඪࢆᅇ⟅ࡋࡓேࡣ 55%࡜௚ᨻඪ࡟ẚ࡭࡚పࡃ㸪11%ࡀᐇ㝿࡟ࡣࠕ❧᠇Ẹ୺ඪࠖ࡟ᢞ⚊ࡋࡓ࡜ᅇ⟅ࡋ࡚࠸ࡿ㸬ࡲࡓ㸪ࠕᢞ⚊᪥㸯㐌㛫๓ㄪᰝࠖ᫬Ⅼ࡛ࠕᕼᮃࡢඪࠖ࡟ᢞ⚊ணᐃ࡜ᅇ⟅ࡋ࡚࠸ࡓேࡢ࠺ࡕ 21%ࡀᐇ㝿࡟ࡣࠕᢞ⚊࡟⾜࠿࡞࠿ࡗࡓࠖ࡜ᅇ⟅ࡋ࡚࠸ࡿ㸬ࡇࡢ๭ྜࡣṌ␃ࡲࡾࡀప࠿ࡗࡓࠕ❧᠇Ẹ୺ඪࠖࡢ 5%㸦ᅗ⾲࡛ࡣᩘ್グ㍕࡞ࡋ㸧࡜኱ࡁࡃ␗࡞ࡾ㸪ࡲࡓࠕ⮬⏤Ẹ୺ඪࠖ
㸦15%㸧࡜ẚ࡭࡚ࡶ㧗ࡃ㸪⤖ᯝࢆᕥྑࡋࡓ୍ᅉ࡜
⪃࠼ࡽࢀࡿ㸬ᅗ⾲ 㸬ྠ୍ᅇ⟅⪅࡟࠾ࡅࡿᢞ⚊ពྥඛ㸦ᢞ⚊ඛ㸧ᨻඪࡢኚ໬

࣮࣋ࢫ㸸 ㄪᰝᅇ⟅⪅㸦ᇶᮏタィ㸧㸭 Q ͤᢞ⚊ඛࢆࠕⓑ⣬ᢞ⚊ࠖࠕ⟅࠼ࡓࡃ࡞࠸࣭ࢃ࠿ࡽ࡞࠸ࠖ࡜ᅇ⟅ࡋࡓேࡣ㞟ィᑐ㇟࠿ࡽ㝖ࡃͤྛㄪᰝ࡟࠾ࡅࡿᨻඪࡢ୪ࡧࡣㄪᰝ᫬Ⅼ࡛ࡢᢞ⚊ពྥ⋡ࡢ㧗࠸㡰ࠊ኱ࡁࡉࡣࠕỴࡵ࡚࠸࡞࠸ࠖࢆ㞟ィᑐ㇟࠿ࡽ㝖࠸࡚⟬ฟࡋࡓᢞ⚊ពྥ⋡㸦ࠕỴࡵ࡚࠸࡞࠸ࠖ
ࠕᢞ⚊⾜࠿ࡎࠖࡣ࣮࣒࣎ࣜࣗࢆ཯ᫎࡋ࡞࠸㸧࠙▮༳ซ౛ࠚ
௨ୖ㸸ᐇ⥺㸦ᩘ್௜㸧_ ௨ୖ ᮍ‶㸸ᐇ⥺㸦ᩘ್࡞ࡋ㸧_ ᮍ‶㸸Ⅼ⥺_㸸⥺࡞ࡋ36☜ಙᗘࢫࢥ࢔ ௒ᅇࡢㄪᰝ࡛ࡣࠕ⮬⏤Ẹ୺ඪࠖࠕ❧᠇Ẹ୺ඪࠖ
ࠕᕼᮃࡢඪࠖࢆྵࡴ 9 ࡘࡢᨻඪࡢ࠺ࡕㄆ▱ࡋ࡚࠸ࡿᨻ
ඪ࡟ࡘ࠸࡚ࠕᨻඪᨭᣢࠖ
㸦ᨻඪྡࢆ࿊♧ࡋࡓୖ࡛ࠕᨭᣢࡋ࡚࠸ࡿࠖ
ࠕᨭᣢࡋ࡚࠸࡞࠸ࠖ
ࠕ⟅࠼ࡓࡃ࡞࠸࣭
ࢃ࠿ࡽ࡞࠸ࠖࡢ 3 ᢥ㸧ࢆ⫈ྲྀࡋ㸪㑅ᢥ⫥ࡀ⾲♧ࡉࢀ࡚࠿ࡽ㸪ᅇ⟅ࡉࢀࡿࡲ࡛ࡢ᫬㛫ࢆィ ࡋࡓ㸬ࡲࡎ㸪ࠕճᢞ⚊᪥⩣᪥ㄪᰝࠖ᫬Ⅼ࡟࠾࠸࡚㸪ྛᨻඪࢆࠕᨭᣢࡋ࡚࠸ࡿࠖ࡜ᅇ⟅ࡋࡓேࡢࢹ࣮ࢱࢆศᯒᑐ
㇟࡜ࡋࡓ㸬ᅇ⟅᫬㛫࡟ࡘ࠸࡚ࡣ㸪ᑐᩘኚ᥮ࢆ⾜ࡗࡓୖ࡛㸪ಶேᕪࡀᙳ㡪ࡋ࡞࠸ࡼ࠺ᶆ‽໬ࡋࡓᚓⅬࢆࠕ☜ಙᗘࢫࢥ࢔ࠖ࡜ࡋ࡚⟬ฟࡋࡓ㸬☜ಙᗘࢫࢥ࢔ࡣ㸪ࢫࢥ࢔ࡀ㧗࠸࡯࡝㸪ᅇ⟅᫬㛫ࡀ▷࠸ࡇ࡜ࢆ⾲ࡍ㸬ࡲࡓ㸪ࢫࢥ࢔ࡀࣉࣛࢫ࡛࠶ࡿࡇ࡜ࡣ௚ࡢᨻ
ඪ࡟ẚ࡭࡚ࠕᨭᣢࡋ࡚࠸ࡿࠖ࡜࠸࠺ᅇ⟅᫬㛫ࡀ┦ᑐⓗ࡟▷࠿ࡗࡓࡇ࡜㸪ࢫࢥ࢔ࡀ࣐࢖ࢼࢫ࡛࠶ࡿࡇ
࡜ࡣ௚ࡢᨻඪ࡟ẚ࡭࡚ࠕᨭᣢࡋ࡚࠸ࡿࠖ࡜࠸࠺ᅇ
⟅᫬㛫ࡀ┦ᑐⓗ࡟㛗࠿ࡗࡓࡇ࡜ࢆ⾲ࡍ㸬ᨭᣢ⋡ࡀୖ఩ࡢ 5 ᨻඪ࡟ࡘ࠸࡚⤖ᯝࢆぢ࡚ࡳࡿ࡜㸪ࠕ❧᠇Ẹ୺ඪࠖࡣࠗ☜ಙᗘࢫࢥ࢔࠘ࡣ 10.7 ࡛㸪ࠕᕼᮃࡢඪࠖ2.8㸧࡟ẚ௚ඪ㸦ࠕ⮬⏤Ẹ୺ඪࠖ-3.7㸪࡭࡚㧗ࡃ࡞ࡗ࡚࠸ࡿ㸬๓⠇ 3-1 ࡛ࡣ㸪ࠕղᢞ⚊᪥㸯
㐌㛫๓ㄪᰝࠖ᫬Ⅼ࡛ࠕ❧᠇Ẹ୺ඪࠖ࡟ᢞ⚊ணᐃ࡜ᅇ⟅ࡋ࡚࠸ࡓேࡢ࠺ࡕ 91%ࡀᐇ㝿࡟ࠕ❧᠇Ẹ୺ඪࠖ࡟ᢞ⚊ࡋ࡚࠸ࡓࡇ࡜ࡀ᫂ࡽ࠿࡜࡞ࡗࡓ㸬ࡇࡢࡇ࡜࠿ࡽ㸪ࠕ❧᠇Ẹ୺ඪࠖᨭᣢ⪅ࡣᅇ⟅࡟せࡋࡓ᫬㛫ࡀ▷ࡃ㸪௚ඪࡼࡾࡶᨭᣢࡀᙉᅛ࡛࠶ࡗࡓྍ⬟ᛶࡀ♧၀ࡉࢀࡿ㸬࠶ࡽࡓࡵ࡚ࠕ❧᠇Ẹ୺ඪࠖᨭᣢ⪅ࡢࠕᨭᣢࡢᙉᅛࡉࠖ
ࡀ⾗㆟㝔㑅ᣲ࡟࠾ࡅࡿ
ࠕ❧᠇Ẹ୺ඪࠖ
㌍㐍ࡢ⫼ᬒ࡟࠶ࡿࡇ࡜ࡀࢃ࠿ࡿ㸬ᅗ⾲ 㸬ྛᨻඪᨭᣢ⪅ࡢ☜ಙᗘࢫࢥ࢔
ᨻඪ

㼚

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❧᠇Ẹ୺ඪ
᪥ᮏ⥔᪂䛾఍
ᕼᮃ䛾ඪ
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᪥ᮏ䛾䛣䛣䜝
♫఍Ẹ୺ඪ
⮬⏤ඪ

ᨭᣢ⋡
್䠄㻑䠅

㻝㻘㻝㻡㻣
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☜ಙᗘ䝇䝁䜰
⟬ฟศẕ
್

㻟㻝㻚㻜
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㻟㻚㻝

ᨭᣢᨻඪࡢኚ໬࡜☜ಙᗘࢫࢥ࢔ ḟ࡟㸪ᨭᣢᨻඪࡢኚ໬࡜☜ಙᗘࢫࢥ࢔ࡢ㛵ಀᛶࢆ☜ㄆࡍࡿࡓࡵ㸪ࠕձබ♧᪥⩣᪥ㄪᰝࠖ࡜ࠕղᢞ⚊᪥㸯㐌㛫๓ㄪᰝࠖ
㸪࠾ࡼࡧࠕձබ♧᪥⩣᪥ㄪᰝࠖ࡜
ࠕճᢞ⚊᪥⩣᪥ㄪᰝࠖࡢ 2 ㄪᰝ㛫࡟࠾࠸࡚㸪ࠕձබ♧᪥⩣᪥ㄪᰝࠖ᫬Ⅼ࡟࠾ࡅࡿྛᨻඪᨭᣢ⪅ࡢ࠺ࡕ㸪ࠗᨭᣢᨻඪ࡟ኚ໬ࡀ࡞࠿ࡗࡓ⩌࠘࡜ࠗኚ໬ࡀ࠶
ࡗࡓ⩌࠘ࡢ 2 ⩌࡛㸪☜ಙᗘࢫࢥ࢔࡟㐪࠸ࡀ࠶ࡿ࠿
ࢆ☜ㄆࡋࡓ㸬ࡍࡿ࡜㸪࠸ࡎࢀࡢᨻඪ࡟࠾࠸࡚ࡶ㸪ᨭᣢᨻඪ࡟ኚ໬ࡀ࡞࠿ࡗࡓ⩌࡛ࡣ㸪ᨭᣢᨻඪ࡟ኚ
໬ࡀ࠶ࡗࡓ⩌࡟ẚ࡭࡚㸪☜ಙᗘࢫࢥ࢔ࡀ㧗࠸ࡇ࡜ࡀࢃ࠿ࡗࡓ㸬ࡇࡢ⤖ᯝ࠿ࡽ㸪☜ಙᗘࢫࢥ࢔ࡀ㧗࠸ᒙࡣ㸪ᨭᣢࡢุ᩿ࡀẚ㍑ⓗᙉᅛ࡛࠶ࡿࡇ࡜ࡀ♧၀ࡉࢀࡿ㸬 ࡓࡔࡋ㸪
☜ಙᗘࢫࢥ࢔ࢆᨻඪࡈ࡜࡟☜ㄆࡍࡿ࡜㸪௒ᅇࡢ⾗㝔㑅࡟࠾࠸࡚⚊ࡢὶฟࡀぢࡽࢀࡓࠕᕼᮃ
ࡢඪࠖᨭᣢ⪅ࡢ☜ಙᗘࢫࢥ࢔ࡣࠕ❧᠇Ẹ୺ඪࠖᨭᣢ⪅࡟ḟ࠸࡛ 2 ␒┠࡟㧗ࡃ㸪ᚲࡎࡋࡶ☜ಙᗘࢫࢥ࢔ࡢࡳࡀᢞ⚊⾜ື࡟⤖ࡧࡘ࠿࡞࠸⤖ᯝ࡛࠶ࡗࡓ㸬ࠕᕼᮃࡢඪࠖࡢᢞ⚊⾜ື࡟ࡘ࠸࡚ࡣ㸪ࠕᨭᣢࡢᙉᅛ
ࡉࠖ࡜࠸࠺ෆⓗせᅉࡔࡅ࡛ࡣ࡞࠸㸪እⓗせᅉࡢᙳ㡪ࡶ኱ࡁࡃཷࡅࡓࡶࡢ࡜᥎ᐹࡉࢀࡿ㸬ᅗ⾲ 㸬ᨭᣢᨻඪࡢኚ໬࡜☜ಙᗘࢫࢥ࢔
䠘ᨭᣢ䠚☜ಙᗘ䝇䝁䜰㻝ᅇ┠䋻㻞ᅇ┠ᨭᣢᨻඪኚ᭦䛺䛧☜ಙᗘ䝇䝁䜰㻔ᨭᣢ⪅䝧䞊䝇㻕
ᨻඪྡ
⟬ฟศẕ

ᖹᆒ್

⟬ฟศẕ

ᖹᆒ್

䠘ᨭᣢ䠚
☜ಙᗘ䝇䝁䜰㻝ᅇ┠䋻㻞ᅇ┠ᨭᣢᨻඪኚ᭦䛒䜚䠘ᨭᣢ䠚☜ಙᗘ䝇䝁䜰㻝ᅇ┠䋻㻟ᅇ┠ᨭᣢᨻඪኚ᭦䛺䛧

⟬ฟศẕ

⟬ฟศẕ

ᖹᆒ್

䠘ᨭᣢ䠚
☜ಙᗘ䝇䝁䜰㻝ᅇ┠䋻㻟ᅇ┠ᨭᣢᨻඪኚ᭦䛒䜚

ᖹᆒ್

⟬ฟศẕ

ᖹᆒ್

⮬⏤Ẹ୺ඪ









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

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

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ᕼᮃ䛾ඪ





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

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


බ᫂ඪ



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᪥ᮏඹ⏘ඪ

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

᪥ᮏ⥔᪂䛾఍

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



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❧᠇Ẹ୺ඪ



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⮬⏤ඪ

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♫఍Ẹ୺ඪ



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᪥ᮏ䛾䛣䛣䜝

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37


ࡲ࡜ࡵ࡜௒ᚋࡢㄢ㢟 㑅ᣲᮇ㛫୰ࡢ͆㢼ྥࡁ͇ࢆㄞࡴࡇ࡜ࡣ㸪᪥ࠎࡢᡓᒁࢆሗ㐨ࡍࡿ࣓ࢹ࢕࢔ࡸ㸪ࡑࡢ᭱୰࡟࠸ࡿᨻඪ
࡟࡜ࡗ࡚㸪㔜せ࡞ព࿡ࢆᣢࡘ㸬≉࡟㸪ⱝᖺᒙࢆ୰
ᚰ࡟᝟ሗ᥋ゐࡢኚ໬ࡀ㢧ⴭ࡜࡞ࡾ㸪SNS ࡸື⏬࣓ࢹ࢕࢔࡞࡝᪂ࡓ࡞ࢱࢵࢳ࣏࢖ࣥࢺࢆά⏝ࡋࡓ㑅ᣲᡓࡀ⧞ࡾᗈࡆࡽࢀࡿ᫖௒࡟࠾࠸࡚ࡣ㸪㢼ྥࡁࢆṇࡋࡃᤊ࠼㸪ࡑࢀ࡟ྜࢃࡏ࡚ᡓ␎ࢆ⦎ࡾ㸪᪋⟇࡟ⴠ࡜ࡋ㎸ࡴ㸪࡜࠸ࡗࡓࣉࣟࢭࢫࡀྛᨻඪ࡟ࡣᚲせ࡜⪃࠼ࡽࢀࡿ㸬ࡑࡢ୰࡛㸪௒ᅇࡢศᯒ࡛ࡣࠕ☜ಙᗘࢫࢥ࢔ࠖ࡜࠸࠺᪂ࡓ࡞ᣦᶆࢆ⏝࠸࡚㸪ᨻඪᨭᣢࡢ
ᙉᅛࡉࢆྍど໬ࡍࡿࡇ࡜ࢆヨࡳࡓ㸬ࡑࡢ⤖ᯝ㸪⚊ࡢὶฟࡀᑠࡉ࠿ࡗࡓ
ࠗ❧᠇Ẹ୺ඪ࠘
ࡣࠕ☜ಙᗘࢫࢥ࢔ࠖ࡟࠾࠸࡚ࡶ㧗࠸್࡜࡞ࡿ⤖ᯝࡀぢࡽࢀ㸪༢ᅇࡢㄪᰝ⤖ᯝ࠿ࡽࡑࡢᚋࡢᨭᣢࡢኚ໬ࢆண ࡍࡿࡇ࡜ࡢྍ⬟ᛶࢆ♧ࡍࡇ࡜ࡀ࡛ࡁࡓ㸬ࡋ࠿ࡋ࡞ࡀࡽ㸪ࠕ☜ಙᗘࢫࢥ࢔࡛ࠖẚ㍑ⓗ㧗࠸್ࢆ♧ࡋ࡚࠸ࡓࠗᕼᮃࡢඪ࠘ࡣᢞ⚊ࡲ࡛࡟⾲ࡢὶฟࡀከ࠿ࡗࡓࡇ࡜࠿ࡽࡶࢃ࠿ࡿࡼ࠺࡟㸪ಶேࡢᨭᣢᨻ
ඪࡢኚ໬ࡣ͆ෆⓗせᅉ㸦ᨭᣢࡢᙉᅛࡉ㸧͇࡟ຍ࠼㸪͆እⓗせᅉ㸦㑅ᣲሗ㐨࡞࡝㸧͇ࡢᙳ㡪ࡶ኱ࡁࡃ㸪100㸣ண ࡍࡿࡇ࡜ࡣ㞴ࡋ࠸㸬͆እⓗせᅉ͇࡟㛵ࡋ࡚ࡣ㸪ෑ㢌ࡶゐࢀࡓ࡜࠾ࡾ㸪ࠕ࢔ࢼ࢘ࣥࢫ࣓ࣥࢺຠ
ᯝࠖࠕࣂࣥࢻ࣡ࢦࣥຠᯝࠖ
ࠕ࢔ࣥࢲ࣮ࢻࢵࢢຠᯝࠖ
࡞࡝࡜࠸ࡗࡓ㑅ᣲሗ㐨࡟ࡼࡿᢞ⚊⾜ື࡬ࡢᙳ㡪ࡀ᫂ࡽ࠿࡟࡞ࡿ࡞࡝㸪ࡇࢀࡲ࡛࡟ࡶከࡃࡢ◊✲ࡀ࡞ࡉࢀ࡚ࡁࡓ⤒⦋ࡀ࠶ࡿ㸬௒ᚋ㸪͆እⓗせᅉ͇
࡟ຍ࠼㸪௒ᅇࡢㄪᰝ⤖ᯝ࠿ࡽᙳ㡪ࡀ♧၀ࡉࢀࡓ͆ෆⓗせᅉ͇
ࡶຍ࿡ࡋ࡚͆㢼ྥࡁ͇ࢆᣦᶆ໬ࡍࡿࡇ࡜ࡀ࡛ࡁࢀ
ࡤ㸪ࡼࡾ⢭⦓࡞ண ࡀྍ⬟࡟࡞ࡿ࡛࠶ࢁ࠺㸬ཧ⪃ᩥ⊩
Ლᒣ༟ྖ(2018)㸬2017 ᖺ 10 ᭶⾗㝔㑅ᣲࢆ᪂⪺ሗ㐨࠿ࡽศᯒࡍࡿ-㸱ᴟᨻඪ࣭ඪ㤳ࡢ㟢ฟᗘẚ㍑ࢆ
㏻ࡋ࡚㸬⚄ᡞぶ࿴ዪᏊ኱Ꮫゝㄒᩥ໬◊✲ (12),49-62.
டࣨ㇂㞞ᙪ(2001)㸬㑅ᣲண ࡢ࢔ࢼ࢘ࣥࢫ࣓ࣥࢺ
ຠᯝ࡟㛵ࡍࡿඛ⾜◊✲ࡢእほ-࢔ࢼ࢘ࣥࢫ࣓ࣥ
ࢺຠᯝࡢᅇຠᯝࡢᣑᙇ࡟ྥࡅ࡚㸬ᒣᙧ┴❧⡿ἑዪᏊ▷ᮇ኱Ꮫ⣖せ, 36, 71-86.
ቑ஭భு, ⸨㔝 ᕘ, ᒣᮏ ᐂ(2017)ࠕTwitter ࡢከ㍈ⓗឤ᝟᝟ሗ࡜ᨻඪᨭᣢ⋡࡜ࡢ㛵ಀ࡟ࡘ࠸࡚ࠖ
ゝㄒฎ⌮Ꮫ఍➨ 23 ᅇᖺḟ኱఍(NLP2017) .
Mayerl, J. (2013). Response Latency
Measurement in Surveys. Detecting Strong
Attitudes and Response Effects. Survey
Methods: Insights from the Field.
Mulligan, Kenneth, J. Tobin Grant, Stephen T.
Mockabee, and Joseph Quin Monson (2003).
Response Latency Methodology for Survey
Research: Measurement and Modeling
Strategies. Political Analysis, 11(3): 289-301.

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The 8th Annual Conference of
Public Opinion & Election Survey ResearchǗ‫ݸ‬Ϝ̵̛̃Ǘ

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