Author Question: If 50 of the individuals taking a particular test get a certain item correct, the difficulty (or ... (Read 42 times)

vicotolentino · **on:** Jun 19, 2018

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.

Question 2

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.