Multiple Choice
A threat to internal validity that occurs when the treatment "spills over" from the experimental group and control group subjects modify their behavior because they learn of the treatment is called ___________.
A) instrumentation
B) experimental mortality
C) "spill over effect"
D) diffusion of treatment
Correct Answer:
Verified
Correct Answer:
Verified
Q23: An experimental design used to examine whether
Q24: Experimental research is fairly common now in
Q25: A two-group posttest-only design is _.<br>A) type
Q26: This is an experimental design used to
Q27: The control group is the group that
Q29: A type of reactivity and threat to
Q30: The act of randomly assigning research subjects
Q31: A one shot case study design is/are
Q32: The group that does not get the
Q33: The _ is a reactivity effect name