A test has a score reliability of .70. This means a. if the ...

[serike]

A test has a score reliability of .70. This means
 
  a. if the test were administered again, at least .70 percent of the subjects would obtain the same score.
  b. the test is 70 percent effective in measuring whatever it does measure.
  c. 70 percent of the variance in the observed scores is free of error.
  d. 70 percent of the variance in the observed scores is error variance.

Question 2

Criterion contamination occurs when
 
  a. a test is lacking in construct validity.
  b. the criterion measurement is found to be invalid.
  c. knowledge of predictor test scores influences decision-making.
  d. errors are made in predicting criterion performance.

[nikmaaacs]

Answer to Question 1

C

Answer to Question 2

C

[serike]

Thanks for the timely response, appreciate it

[miss.ashley]

Excellent