A primary symptom of Huntington's disease is
a. akinesia.
b. dystonias.
c. tremor at rest.
d. difficulty initiating movement.
e. uncontrollable movements.
Answer: e. uncontrollable movements.
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Shelly is pessimistic about her future. Her disinterest in everything around her, together with her loss of energy and motivation, make it difficult for her to cope with even the most minor of daily events. These symptoms demonstrate which domain of depression?
a. cognitive c. behavioral b. affective d. physiological
While people who volunteer to participate in research are probably quite different in important ways from those who don’t volunteer, most psychologists have chosen to prioritize ____
a. the generalizability of research results over research ethics b. validity over reliability c. reliability over validity d. research ethics over the generalizability of research results