A three-year-old gets scared when her mom dresses up in a dinosaur costume on Halloween. The child shows
a. a phylogenetic development.
b. decentration of a possibility.
c. lack of object (person) permanence.
d. misunderstanding of the appearance/reality distinction.
D
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If the individuals in a sample have characteristics that are noticeably different from the individuals in the population, then the sample is said to be ____
a. representative b. random c. stratified d. biased
Noelle believes that she can control the occurrence of rewards and punishers. Noelle appears to have:
a. an external locus of control b. an internal locus of control c. high self-efficacy d. low self-efficacy
The overriding goal of research ethics is to
a. obtain valid and reliable results. b. discourage and detect cheating by researchers. c. protect the participants from harm. d. establish whether the results will generalize to other populations.
Girls who enter puberty earlier than their agemates
A) are better prepared for adolescent changes. B) tend to be taller as adults. C) usually get more social support from parents and peers. D) tend to be less popular and more depressed.