The measurement of intelligence : $b an explanation of and a complete guide for the use of the Standard revision and extension of the Binet-Simon intelligence scaleTerman, Lewis M. (Lewis Madison)
Science
The measurement of intelligence : $b an explanation of and a complete guide for the use of the Standard revision and extension of the Binet-Simon intelligence scale
If any one supposes that finding rhymes does not draw upon the higher
mental powers, let him try the experiment upon himself in various stages
of mental efficiency, say at 9 A.M., when mentally refreshed by a good
night of sleep and again when fatigued and sleepy. Poets questioned by
Galton on this point all testified to the greater difficulty of finding
rhymes when mentally fatigued. In this and in many other respects the
mental activities of the fatigued or sleepy individual approach the type
of mentation which is normal to the feeble-minded.
It is important to note that adults make a less favorable showing
in this test than normal children of corresponding mental age,
Mr. Knollin's "hoboes" of 12-year intelligence doing hardly as well as
school children of 10-year intelligence. Those who are habitually
employed in school exercises probably acquire an adeptness in verbal
associations which is later gradually lost in the preoccupations of real
life.
There has been more disagreement as to the proper location of this test
than of any other test of the Binet scale. Binet placed it in year XII
of the 1908 scale, but shifted it to year XV in 1911. Kuhlmann retains
it in year XII, while Goddard drops it down to year XI. However, when we
examine the actual statistics for normal children we do not find very
marked disagreement, and such disagreement as is present can be largely
accounted for by variations in procedure and by differing conclusions
drawn from identical data. In the first place, Binet gave but one trial.
This, of course, makes the test much harder than when three trials are
given and only two successes are required. To make one trial equal in
difficulty to three trials we should perhaps need to demand only two
rhymes, instead of three, in the one trial. In the second place, the
word used by Binet (_obeissance_) is much harder than one-syllable words
like _day_, _mill_, and _spring_. Finally, the wide shift of the test
from year XII to year XV was not justified by the statistics of Binet
himself, and the figures of Kuhlmann and Goddard are really in
exceptionally close agreement with our own, notwithstanding the fact
that Goddard required three successes instead of two. In four series of
tests, considered together, we have found 62 per cent passing at
year IX, 81 per cent at year X, 83 per cent at year XI, and 94 per cent
at year XII.
IX, ALTERNATIVE TEST 1: NAMING THE MONTHS
PROCEDURE. Simply ask the subject to "_name all the months of the
year_." Do not start him off by naming one month; give no look of
approval or disapproval as the months are being named, and make no
suggestions or comments of any kind.
When the months have been named, we "check up" the performance by
asking: "_What month comes before April?_" "_What month comes before
July?_" "_What month comes before November?_"
Public-domain text, read in full here on John Shaqi.
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