One definition of an unbiased test is that in a regression ...

[wenmo]

One definition of an unbiased test is that in a regression equation predicting a criterion from a test score, all population subgroups should have the same
 
  a) slope.
   b) intercept.
   c) mean score.
   d) variance.

Question 2

The Lake Wobegone Effect refers to test results in which
 
  a) most examiners achieve above-average scores.
   b) member of minority groups perform worse than their ability.
   c) children from middle-class homes achieve the highest scores.
   d) girls perform substantially better than boys.

[SAUXC]

Answer to Question 1

a

Answer to Question 2

a

[wenmo]

TYSM

[daiying98]

Thanks for the timely response, appreciate it