According to _____, color vision evolved because perceiving color helped our early ancestors forage for food
A) binocular theory B) trichromatic theory
C) opponent process theory D) gestalt theory
B
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During the early stages of middle childhood, children whose parents are divorcing __________.
A. experience severe psychological distress B. often blame themselves for the breakup C. typically fail to notice that anything is wrong in the household D. understand that not all relationships are compatible
In order to improve Mike's grades, his mother has been using various reinforcements to encourage studying and the completion of homework. She has observed that playing a board game with him is worth more to Mike than buying him a small toy or candy treat. That Mike considers his mother's time more important to him than a toy or treat illustrates Julian Rotter's concept of
a. reinforcement value. b. self-efficacy. c. the psychological situation. d. an expectancy.
In view of current research, which of the following is the best summary statement concerning the cause of schizophrenia?
a. Inherited potential and environmental stress combine to bring about disruptive changes in brain chemistry. b. Schizophrenics are really adapting to an impossible environment created by double-bind communication. c. A by-product of adrenaline called adrenochrome accumulates in the schizophrenic's brain. d. Extremely traumatic experiences early in childhood cause the first split in personality to form two different integrated identities in the person with schizophrenia.
What percent of Americans live where air quality standards are not met?
a. 18 b. 25 c. 32 d. nearly 50