To assess whether a predictor explains variability in the outcome variable, above and beyond what is explained by other predictors, we make use of ______ regression.
a. linear
b. multiple
c. simple multiple
d. hierarchical
Ans: D
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Heritability values increase with age. One explanation of this is that gene-environment correlations tend to increased heritability over time, making identical twins __________ alike and fraternal twins __________ alike.
A. more; more B. more; less C. less; more D. less; less
Cate hears a funny ticking sound when she presses the gas pedal in her car. She hasn't noticed it before and she turns off the radio and leans forward in order to hear it better. Cate's shift in attention illustrates the behavior that psychologists refer to as:
a. an orienting response b. habituation c. desensitization d. conditioned inhibition
Piaget saw children as ______ motivated to explore their world and as ______ in developing their understanding of the world
a. intrinsically; passive pawns c. extrinsically; passive pawns b. intrinsically; active participants d. extrinsically; active participants
A neuron's myelin (if it has any) is produced by __________
a. the axon b. dendrites c. other neurons d. glial cells