Every evening, Wilmington daily commercial., 1921-09-27

books. because people won't take tbs
trouble to read them. Health boards.
for instance can put their leasons
across in pictures as they can tn 10
other way. We have one picture
called Unlocking the Hookw0rm'
which Is unknown 20 the thcater go-
Ihg public but ~ IN great demand ~
the international Health Board for
use In all the southern states.
"A motion picture has been made ~
every major operation We have
films showing microscopic organisms
and demonstrating physiological pro-
oesses. as for example. the circulation
Of blood. Then. of course. they have IL
all over textbooks in teaching chefu-
lstry, biology and other scientific sub
| jects in the schools"
The producer handed us his aw-
thority for this last statement an
article by II. O. Wells. IN which he
| says:
Il ask for haif dozen projectors
or 80 in every school and Tor a well
stocked storehouse of films. The pos.
sibflities Of certain branches of teach
ing have been altogether revolnfioniz-
tEu W iEf iiHftiHf'hA hUiE III NfhAAl
every school nowadays you wili ind
a lot of more or less worn and dan-
aged scientific apparatus which is sup
posed 70 be used FOR demonstrating
the elementary facts Of chemistry.
physics and the Ike.
Now that Is the sort of thing which
stili goes on. But II ought % be en-
tirely out Of date. All that scientific
bric-a- -brac in the cupboard had far
better be thrown away. All the dem
onstration experiments that science
I teaches will require IN the future car
be performed once for an before
cinennatograph. They can be done
finally; they need never be done again.
. You can get tho best and most dex-
; ferrous teacher IN the worid-he can d
! what has been done with the best ape
! paratus in the best light. anything
? that Is very minute or subtle you can
! magnify or repeat from another point
2 of view. anything that Is intricate
e you can record with extreme slow
3 ness: you can show the facts a mile
of or six inches on-and al that your
actual class teacher need do now is
10 spend five minutes In getting out
= the firn he wants. 10 minutes in read
, ing over the corresponding lecture
notes. and then he can run the flra,
: give the Iesson question his class
e upon II. note what they miss and how
= they take Il. run the flm again for a
second scruntiny. and get out for the
subsequent study of the class tns
2 ample supply Of diagrams snd pie
= lures needed 70 fix the lesson. Can
!, there be any comparison between the
educational efficiency o. The Two
= methodist"
! Mr.. Wells seems % doubt u. Never
- ,hsIess sa,ch a. comparison was re-
70 Icentlv made in a Detroit school under
!, ne direction Of J. n. Wilson. super
; visor OF Visual Education, with grati-
y fying results. The subject chosen Tor
u the experiment wss an educational
J. film explaining How We Hear inc
10 cbildren were separated into tWo
x groups. one of which was 20 see ne
a film. and the other o. which was to
Z receive an oral lesson In the same
facts.
e The film was shown twice 70 tn'
re visual class in the astonisningly shof'
n space OF 10 minutes. The oral lesson
Is. required s. minutes. the teacher TAX
Is ing great pains TO impress upon nef
We pupils the same information containef
&. in the film. At the close Of the lessor
Of the two separate classes were given
We written examination on the subject
lg Then the papers were collected anf
n marked without respect 70 the type o
ed lesson by the same teacher. Tn
in average grade attained by the visua
C. rroup in the first test was s4.16 pei
at cent as compared with 6i.5 per cen
on made by the oral group-that Is z
"a say, the visual gain was s.2s pc
ne cent.
A month later. a second or rnemor
of test was given on the same subject
ng and this time the visual group aver
Tor aged $50 per cent gain OF Al pc
IL cent over the 5s.5 per cent ayeras
Ia made by the oral pupils.
s. While the percentage Of gain In IN
ea- experiment might have been eve
in greater II the subject chosen Ia
ob- been How We See" instead OF "Ho'
be- We Hear" il is large enough 20
ic- well worth while especially when "a
SIX saving of time is considered
sdy