Author Question: Ex post facto studies A) can tell us nothing. B) have value in testing causal hypotheses. C) ... (Read 77 times)

maegan_martin · **on:** Aug 4, 2018

Ex post facto studies

A) can tell us nothing.
B) have value in testing causal hypotheses.
C) have value in generating causal hypotheses.
D) are the only studies possible in clinical settings.

Question 2

Why are ex post facto studies weak?

A) Too few participants are used.
B) They require so long to run that responses are no longer representative.
C) Independent variables cannot be manipulated.
D) Response variables cannot be measured.