If 50 of the individuals taking a particular test get a certain ...

[vicotolentino]

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.

[tuwy]

Answer to Question 1

c

Answer to Question 2

b

[vicotolentino]

Thanks for the timely response, appreciate it

[steff9894]

Gracias!