Comparing the California Test Scores to Test Scores in Massachusetts

question 4

Multiple Choice

Comparing the California test scores to test scores in Massachusetts is appropriate for external validity if

• A)Massachusetts also allowed beach walking to be an appropriate P.E. activity.
• B)the two income distributions were very similar.
• C)the student-to-teacher ratio did not differ by more than five on average.
• D)the institutional settings in California and Massachusetts, such as organization in classroom instruction and curriculum, were similar in the two states.