A ______ is given to a control group to make sure their experience does not differ from the experimental group except for the actual treatment.
A) placebo
B) quota
C) variable
D) causal effect
Correct Answer:
Verified
Q8: _ identify the common influences on a
Q9: _ is known as a set of
Q10: A randomized experimental design with a pretest
Q11: _ is what makes the comparison group
Q12: The technique of _ allows researchers to
Q14: _ occurs when participants can select the
Q15: _ occurs when groups become different after
Q16: The effect that can occur when external
Q17: A quasi-experimental design consisting of several pretest
Q18: Despite their obvious strengths, _ are rarely
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