22
 

INTELLECTUAL  STATUS  OF  CHILDBEN
 

attempt the eighth test, and failure to do so was counted the same as
if he had attempted it and failed. If the median of the results of the
first seven sections was between 11.0 and 11.3, we used our best judg¬
ment as to whether section VIII., being left untouched, meant a
failure or lack of ability to try,—^that is, whether to count it as a low
score and use it in calculating the median, or to ignore it and calcu¬
late the median on the basis of the first seven sections.

Any section which was not touched was treated in the same
manner. If the median result for those sections which were attempted
was equal to or higher than the age figure for a score of 1 in the sec¬
tion in question, the test was used counting as a failure in calculating
the median given in this report. But if the median result of the other
section was lower than the age figure for a score of 1 in the section in
question by more than .3 of a year, the section was not used in calcu¬
lating the median reported. If the median of the other sections, how¬
ever, was not quite as high as the lowest age figure of the section in
question, but was within .3 of a year of it, it was counted or not ac¬
cording to the best judgment that could be made concerning it.

The various steps of this rather elaborate systeni of scoring may
be illustrated by the three following cases, beginning with the gross
totals obtained for the eight sets of seven sentences each.

Gross Totals for Sets of 7 Sentences
Individual       1-7            8-14         15-21          22-28          29-35         36-42          43-49          50-56

A   .........   15             8            17            15             2             4             0             0

B   .........   29           28            30            24           14           11              0             0

C   .........   16           13            18             4             1             1             0             0

D   .........   35            33            33            28            18            14           13              8

Inferred Completion-Ages on the Basis of Each Set of 7 Sentences

Individual        1-7              8-14       15-21      22-28             29-35            36-42           43-49           50-56

A   .......    7.8             8.1        8.4        8.9             8.6             9.2        9.1—      11.3 —

B   .......    9.2          10.3      10.1      12.3           12.2           10.7        9.1—      11.3 —

C   .......    7.9             8.4        8.5        7.8             8.4—        8.7        9.1—      11.3 —

D   .......14.5+      13.8      14.5      14.5+      13.6           11.7      13.2           12.9

Id dividual                   Median Inferred Mental Age by Completion Test as a Whole

A  .........     8.5

B ......... 10.3

C.........    8.2

D.........13.7

The Binei'Simon Tests

The Goddard revision of the Binet-Simon tests was the third
series of tests used, the following being the procedure:

The Binet tests were given to boys 1-50 between the 18th and
25th of July, to boys 51-98 between the 18th and 24th of June, to
boys 99-141 between the 24th and 30th of June, and to boys 142-183