Ch1 - Nonexperimental Methods: Pre-Post Studies Flashcards
1
Q
pre-post study
A
two groups of scores are obtained
2
Q
how are the two group scores obtained in a pre-post study?
A
by measuring the same variable twice:
once before the treatment and again after treatment
3
Q
what does the researcher not have control over in a pre-post study?
A
researcher has no control over the passage of time
4
Q
when are the “before” scores measured?
A
“before” scores are always measured earlier than the “after” scores
5
Q
what is always possible in a pre-post study?
A
the score can simply change as time goes by
