Which of the following may explain why Piaget underestimated the abilities of infants?
a. The limited physical skills of the infants were mistaken for limited cognitive skills.
b. Critical periods were mistaken for sensitive periods.
c. Babies are reaching physical and mental maturational readiness at an earlier age than when Piaget was observing these behaviors.
d. The children used in his study may not have developed verbal skills.
A
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Many psychologists believe that allowing smaller jury sizes is a bad idea. What is not one of their explanations for this view?
a. Tension and interpersonal conflict are more likely in small groups as opposed to large ones. b. Smaller juries are less representative of the communities from which they are drawn. c. Smaller juries spend less time discussing the case. d. It is harder for a dissenting juror to hold out for her position when she does not have a single ally.
A therapist soliciting physical contact with a client is
a. encouraged during therapy. b. unethical behavior. c. okay if boundaries are determined. d. always illegal.
Repeated failure to replicate findings of a particular study means that
a) The original results were wrong. b) The original results were due to chance. c) The original results may be restricted to very specific circumstances. d) All of the above
An experiment was conducted to compare participant responses to two different social situations. All participants viewed a scene with two children playing cooperatively and a scene with two children arguing while playing. Participants responded to a questionnaire measuring anxiety after viewing each scene to determine if the type of scene viewed had an effect on anxiety scores. The appropriate statistical test to analyze the data in this study is ______.
a. a one-sample t test b. an independent samples t test c. a paired samples t test d. an ANOVA