Three-year-old Alex and his mother visited the zoo. While they were there, Alex's mother took him to see the otter exhibit. When he saw an otter swimming, he pointed and said, "A furry fish." In the context of Jean Piaget's theory of cognitive development, what is Alex demonstrating?
A. schema substitution
B. accommodation
C. object permanence
D. assimilation
Answer: B
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Which of the following influences the rate at which a neuron fires?
A. the number of terminals of nearby interneurons B. the number of postsynaptic receptors on this neuron C. the number of autoreceptors on this neuron D. the relative strength of excitatory and inhibitory inputs it receives
Analysis of variance is the most common inferential statistical procedure used to analyze experiments because
a. most researchers are more interested in whether there are differences in the variance among the conditions than in whether there are differences in the means. b. it is the only statistical procedure that can test either between-subjects factors or within-subjects factors. c. there are several different versions of it, and so it can test for possible treatment effects more accurately than the two-sample tests. d. there are several different versions of it, and so it can be used with many different designs.
Biological factors suspected of contributing to ASDs include:
a. abnormal brain wave patterns or seizures. b. increased activity in the frontal and temporal lobes. c. contact with lead or other heavy metals in-utero. d. vaccines, particularly those that include a mercury preservative.
Which term does NOT describe the Type A personality?
a. competitive and sometimes hostile b. holds rigorous standards c. distressed and time urgent d. forgiving and relaxed