When engaging in item analysis techniques, the researcher treats ...

[natalie2426]

When engaging in item analysis techniques, the researcher treats each item
  as
 
  a. a criterion based score
  b. a criterion against which all other items must be compared
  c. a subtest in a larger composite test.
  d. a robust correlation

Question 2

When information regarding two or more predictor variables is combined in
  order to predict performance on Y, then the appropriate statistical test is
 
  a. the partial correlation
  b. the Galton g
  c. the Yates Correction
  d. the multiple R

[verrinzo]

Answer to Question 1

c

Answer to Question 2

d