ritical faculty. Some subjects are unwilling to extend the report
in the least beyond what they know to be approximately correct, while
others with defective powers of auto-criticism manufacture a report
which draws heavily on the imagination, perhaps continuing in garrulous
fashion as long as they can think of anything having the remotest
connection with any thought in the selection. We have included, for each
selection, one illustration of this type in the sample failures given
above.

The worst fault of the test is its susceptibility to the influence of
schooling. Our uneducated adults of even "superior adult" intelligence
often fail, while about two thirds of high-school pupils succeed. The
unschooled adults have a marked tendency either to give a summary which
is inadequate because of its extreme brevity, or else to give a
criticism of the thought which the passage contains.

This test first appeared in Binet's 1911 revision, in the adult group.
Binet used only selection (b), and in a slightly more difficult form
than we have given above. Goddard gives the test like Binet and retains
it in the adult group. Kuhlmann locates it in year XV, using only
selection (a). On the basis of over 300 tests of adults we find the
test too difficult for the "average adult" level, even on the basis of
only one success in two trials and when scored on the rather liberal
standard above set forth.

SUPERIOR ADULT, 5: REPEATING SEVEN DIGITS REVERSED

PROCEDURE and SCORING, the same as in previous tests of this kind. The
series are: 4-1-6-2-5-9-3; 3-8-2-6-4-7-5; and 9-4-5-2-8-3-7.

We have collected fewer data on this test than on any of the others, as
it was added later to the test series. As far as we have used it we have
found few "average adults" who pass, while about half the "superior
adults" do so.

SUPERIOR ADULT, 6: INGENUITY TEST

PROCEDURE. Problem _a_ is stated as follows:--

_A mother sent her boy to the river and told him to bring back
exactly 7 pints of water. She gave him a 3-pint vessel and a
5-pint vessel. Show me how the boy can measure out exactly
7 pints of water, using nothing but these two vessels and not
guessing at the amount. You should begin by filling the 5-pint
vessel first. Remember, you have a 3-pint vessel and a 5-pint
vessel and you must bring back exactly 7 pints._

The problem is given orally, but may be repeated if necessary.

The subject is not allowed penc