When 100 of the test-takers get an item correct, the item will have a
a. low difficulty index (0).
b. high discriminability index.
c. discriminability index of approximately .5.
d. very low discriminability index.
Which of the following is a group test of human ability for an adult that does NOT require the subject to be literate?
a. Army Alpha
b. Sequin Form Board
c. Army Beta
d. Wechsler-Bellevue Intelligence Scale
The method of item analysis which looks at the correlation between performance on an item (correct or incorrect) and total test score is
a. the extreme group method.
b. the tetrachoric method.
c. the point-biserial method.
d. the item characteristic curve method.
The first group tests of human abilities were developed for
a. screening intellectually subnormal school children.
b. selecting soldiers to fight for the U.S. in World War I.
c. selecting pilots for advanced training in World War II.
d. evaluating which students should be admitted to public universities.
In the extreme group method of item analysis,
a. point-biserial correlations are used.
b. data from some test-takers are not used in the analysis.
c. only the performance of those who scored extremely well is studied.
d. distractors are eliminated.
The use of standardized tests after WWI culminated with the publication of the
a. Stanford Binet test.
b. Stanford Achievement Test.
c. Army Beta.
d. Army Alpha.
If 50 of the individuals taking a particular test get a certain item correct, the difficulty (or easiness) level of that item would be
a. .05.
b. .25.
c. .50.
d. .10.
A child's mental age
a. cannot be determined independently of the child's chronological age.
b. provides a measurement of a child's performance relative to other children of a particular age group.
c. cannot be determined from a child's test score.
d. can only be determined from large representative samples.
For most tests, the maximum amount of information about differences between individuals can be obtained from items in the difficulty range of
a. .30 to .70.
b. .40 to .80.
c. between .55 and .85.
d. above .90.
Eight-year-old Daniel was administered the Binet-Simon Scale that suggested he was functioning at the same level as a senior in high school. This is an example of a(n)
a. outcome measure.
b. mental age scale.
c. restandardization.
d. norm.
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