Did the participants in Latan and Darley's (1968) bystander intervention experiment think what Kitty Genovese's neighbors thought? Did they feel what her neighbors felt? These questions address the ________ of their experiment.
a. internal validity
b. psychological realism
c. reliability
d. cover story
Question 2
The biggest problem with using random assignment and controlling extraneous variables in an experiment is that
a. the experimental situation can become quite artificial.
b. participants often become angry at the deception involved.
c. it is difficult to ensure internal validity.
d. debriefing becomes very cumbersome.
The experiment of Plaxton and his colleagues demonstrated that plants can alter their metabolism in
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