Which of the following is a younger adult most likely to do better than a healthy older adult?
A) naming the capitals of states.
B) solving a geometric puzzle.
C) defining vocabulary words
D) calculating the area of a circle from the length of the radius
Answer: B
Rationale: Fluid intelligence peaks around early to middle adulthood and then decline. In contrast, crystallized intelligence tends not to decrease in healthy adults, and may even increase with experience. Solving a geometric puzzle relies on fluid intelligence, whereas the other options rely primarily on crystallized intelligence.
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The concept of __________ means that because of their genetic makeup, individuals differ in their responsiveness to qualities of the environment
A) gene?environment interaction B) niche-picking C) passive correlation D) evocative correlation
Harry, the hormone, and Nadia, the neurotransmitter, can both exert physiological effects on their target organs. Which of the following is true about Harry and Nadia?
A. Harry doesn't affect behavior, while Nadia does. B. Nadia acts at a site away from where she was released, while Harry acts locally. C. Harry acts at a site away from where he was released, while Nadia acts locally. D. Neither Harry nor Nadia affects behavior.
Helen decides to study the effects of alcohol on driving ability. She selects 200 college students and randomly divides them into two groups of 100 students each. Subjects in group "A" drive a car through an obstacle course while remaining sober. Subjects in group "B" also drive through the obstacle course, but they are given an ounce of whiskey before each attempt at driving the course. As expected, the driving ability of subjects in group "B" steadily deteriorates as they consume more alcohol. In Helen's study, the subjects' driving ability is the ______.
Fill in the blank(s) with correct word
Which of the following statements about gender and self-esteem is FALSE?
A) Overall, adolescent girls have slightly lower self-esteem than adolescent boys. B) For adolescent boys more than girls, self-esteem is tied to athletic performance. C) For adolescent girls more than boys, self-esteem is tied to physical appearance. D) For adolescent girls more than boys, self-esteem is tied to achievement.