________ is a degenerative disorder involving a defective gene on chromosome 4 that results in jerky uncontrollable movements

a. Down syndrome
b. Tay-Sachs disease
c. Meissner's syndrome
d. Huntington's disease
e. Parkinson's disease

Answer: d. Huntington's disease

Psychology

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Having a bad childhood is what causes paraphilias.

a. true b. false

Psychology

What theory of intelligence did Spearman (1904) propose as a result of his research with school-age children?

A. fluid intelligence theory B. crystallized intelligence theory C. two-factor theory D. bottom-up approach E. top-down approach

Psychology