The origins of most cases of ADHD appear to involve __________.

A. primarily genetic factors
B. primarily environmental factors, though a wide range of factors may be implicated
C. both genetic and environmental factors
D. brain injury occurring early in childhood


Answer: C

Psychology

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Which lobe processes somatosensory information?

a. Occipital b. Frontal c. Temporal d. Parietal e. Cerebral

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After Little Albert acquired a conditioned fear of rats, Watson wanted to see how he would react to a white rabbit, cotton wool, and a Santa Claus mask. He was studying whether or not ________ had occurred

a. behavior modification b. stimulus discrimination c. extinction d. stimulus generalization e. spontaneous recovery

Psychology

The study of human development before birth is called

A) fetology. B) histology. C) anthropology. D) embryology.

Psychology

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

Psychology