Participants may become more hopeful about their lives if they know they are being treated for depression. This is an example of ______.
A) history effects
B) testing effects
C) group differences
D) maturation effects
Correct Answer:
Verified
Q33: _ can occur when participants score higher
Q34: Using pretests to organize groups can be
Q35: A high score achieved at posttest may
Q36: When researchers are studying differences between soldiers
Q37: _ are events that occur during the
Q39: When participants are selected because they have
Q40: Effects of history are _ to occur
Q41: Research done in educational settings often involves
Q42: Researchers might choose interrupted-time-series designs when they
Q43: Subject variables are considered experimental variables, while
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