What type of standardized test would help Peggy determine “whether this class is really doing better than last year’s class or even my other classes this year”?  a. Achievement test  b. Diagnostic...

What type of standardized test would help Peggy determine “whether this class is really doing better than last year’s class or even my other classes this year”?

 a. Achievement test

 b. Diagnostic test

 c. Intelligence test

 d. Aptitude test.

What type of validity would be the primary concern with this test?

 a. Content validity

 b. Predictive validity

 c. Construct validity

 d. Ecological validity