Experiments always involve the comparison of two groups.
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Q8: Darley and Latané (1968) manipulated the number
Q9: A double-blind study is one in which
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Q12: Participants in a waitlist control condition never
Q14: All extraneous variables are confounding variables.
Q15: In a within-subjects experiment, each participant is
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Q18: Experiments involve the random selection of participants.
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