In order to be most useful for purposes of differential ...

[809779]

In order to be most useful for purposes of differential prediction, the correlations among the
  various subtests comprising an aptitude test battery should be
 
  A) as close as possible to zero. B) as highly negative as possible.
  C) as highly positive as possible. D) around .50 on the average.

Question 2

A group of tests used to predict a person's ability to benefit from special training in various
  fields of work is known as a(n)
 
  A) performance test of specific abilities. B) vocational interest test.
  C) achievement test battery. D) aptitude test battery.

[leeeep]

Answer to Question 1

A

Answer to Question 2

D

[809779]

TYSM

[daiying98]

Gracias!