What is the most common teratogen around the world?
A. malnutrition
B. tobacco
C. alcohol
D. infectious disease
Answer: A
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Wertheimer demonstrated that explanations of apparent movement based on learning were not plausible by showing that:
a. very young children experience apparent movement b. the phi phenomenon occurs in two directions at the same time c. primitive humans who have never experienced real movement still experience apparent movement d. even nonhuman animals experience apparent movement
What does the height of the bars on a histogram indicate?
A) mean B) range C) frequency D) score or value
According to drive theory, what occurs each time a behavior results in drive reduction?
a. Tension is increased. b. Stability is reduced. c. Homeostasis is restored. d. Drives are increased. e. Instincts are satisfied
Kris seriously injured his left eye and needed a special surgery. Once his eye had healed, he needed physical therapy, which was painful and difficult. However, Kris was worried that without restoring his eyesight, he might struggle to live a full and
satisfying life. Thus, he knew he needed to complete the physical therapy, so he tried his very best at each session. Kris’s behavior demonstrates which of the criteria for core motives? a. Core motives should elicit goal-oriented behaviors. b. Core motives should be adaptive and beneficial. c. Core motives should be universal. d. Core motives should be independent.