Judul: Penerapan Socially Optimal Choice Function dalam Strategi Dominan
Abstrak: Unavoidable problems by any person are making a decision. There are alternative option that can be compared one to the others in making a decision. Relationship that may be established when comparing two alternatives is namely preference and indifference relations. Socially optimal choice function (SOCF) is analysis to combine some individual preferences or interests to get a collective decision. The purpose of this manuscript is to apply the SOCF in dominant strategies. Supposed n students apply for scholarship. Each student has different supervisors and there is one scholarship per student. So the number of applicants, supervisors and scholarships is similiar. The ranking of students will be determined by a jury consist of all supervisors. True ranking of students has been determined by all supervisors. Supervisors’s preference is influenced by true ranking. The outcome of SOCF is the accepted scholarship appropriate by true ranking. It has been proven that if n = 3 then the SOCF cannot be implemented in dominant strategies.
Keyword: preference, SOCF, dominant strategy, true ranking

Judul: Applied Conjoint Analysis at Students Preferences of The Quality Lecturer in Sekolah Tinggi Ilmu Statistik
Abstrak: The goal of this educational research is to analyze student’s preferences to the lecturer quality using conjoint analysis. This research compared 3(three) methods in conjoint analysis: method A (full profile design and ranking evaluation), method B (full profile design and rating evaluation), and method C (pairwise comparison design and ranking evaluation). There are 125 students of STIS are selected as samples with purposive sampling method. Student’s preference of lecturer quality in method A and C are: mastery of course material, ability to motivate students, character, communication and teaching method. While the method B, the sequence attributes that prefer are: mastery of lecture, character, communication, ability to motivate students, and learning method. Preferences of students to lecturer quality varies according to the score achievement segment, level / grade, high school origin, gender, and economic ability (income) parents. The method A is a method with the longest time to finished it, and supposed as the most difficult and respondents are not sure about their answer. In contrast, the method C is a method in the shortest time to finished it and supposed as the easiest method and the respondents feel confident with their answer.
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Judul: Gambaran Histopatologi Organ Insang Sampai 46 Jam Setelah Kematian pada Udang Vaname (Litopenaeus Vannamei)
Abstrak: Pembusukan merupakan keadaan jaringan tubuh yang mengalami penghancuran oleh proses autolisis dan putrefaksi. Penelitian ini bertujuan untuk mempelajari histopatologi insang udang vaname 46 jam pasca kematian sebagai acuan forensik veteriner. Sebanyak 72 ekor udang vaname (Litopenaeus vannamei) dianestesi pada suhu -4°C dengan mengunakan es batu, kemudian dieutanasi pada suhu -16°C selama 2 jam dan dibagi menjadi 24 kelompok. Perubahan mikroskopis insang diamati selama 46 jam dengan interval waktu 2 jam setelah kematian, untuk mempelajari waktu kematian hewan sesuai dengan forensik veteriner. Hasil penelitian menunjukkan perubahan mikroskopis insang udang vaname 46 jam setelah kematian yaitu ditemukan penimbunan cairan pada jam ke-0, deskuamasi epitel pada jam ke-2, kematian sel pada jam ke-2, perubahan arsitektur jaringan insang pada jam ke-2 dan keberadaan bakteri pada jam ke-14. Perubahan mikroskopis insang dapat digunakan untuk menentukan interval waktu kematian dan dijadikan acuan forensik veteriner.
Keyword: autolisis, histopatologi, pembusukan, putrefaksi, udang vaname