The biggest threat to internal validity in a nonequivalent control group pretest-posttest design is

a. maturation
b. local history
c. external invalidity
d. experimenter expectancy
e. posttest reactivity


b

Psychology

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?In his experiments on conformity, Solomon Asch found that ____ of the participants conformed to an obviously incorrect group norm at least once in a series of trials.

a. ?about one-fourth
b. ?about one-half
c. ?about three-fourths
d. ?nearly all

Psychology

During the period before the Renaissance, which of the following was true?

a. Astrology was met with great skepticism. b. Superstition influenced most everyone from peasants to kings and the clergy. c. People were classified into three groups: believers, nonbelievers, or questioners. d. Scientific inquiry and reason were encouraged.

Psychology

Phoning someone when you don't know whether her or his cell phone is turned on, means that sometimes the person doesn't answer when you phone. If answering is the reinforcer and phoning is the response, then it could be said that a(n)__________ schedule of reinforcement is in place.

a. intermittent b. irregular c. continuous d. episodic e. sporadic

Psychology

Alice is studying for her chemistry mid-term by repeating the definitions of the key terms to herself. On the exam, she does very well on conceptual multiple-choice questions, but does poorly when she has to apply her knowledge in short essay questions. According to levels of processing theory, she is a victim of ______.

a. elaborative rehearsal b. maintenance rehearsal c. deep processing d. semantic rehearsal

Psychology