When a child recognizes that objects continue to exist, even when they are no longer in sight, they have mastered the concept that Piaget referred to as ________.
A. object conservation
B. object permanence
C. pruning
D. reversibility
Answer: B
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The Dani of New Guinea have only two words for distinguishing colors in their language. When tested for their ability to discriminate colors, Dani children
a. show a different appreciation of color differences from those of American children. b. are unique in their differentiation of colors. c. have little interest in color variations. d. can discriminate the many colors of the spectrum.
If orgasm and ejaculation occur together, ejaculation can occur in two stages. During the first stage, which lasts only a few seconds, there are contractions in the vas deferens, seminal vesicles, and ____
a. prostate gland c. external urethral sphincter b. scrotum d. testes
Mary Rothbart and colleagues proposed three different temperaments: approach, avoidance, and effortful control
Indicate whether the statement is true or false
Which of the following statements is true of smokers?
A. All smokers have the same risk of contracting a smoking-related illness irrespective of their race. B. Some people are genetically predisposed to become smokers irrespective of their social environment. C. Most smokers are unaware of the link between smoking and disease. D. Most smokers agree that cigarette smoking frequently causes disease and death.