Which of the following is TRUE about expertise?
a. According to most researchers in the field, it takes about 25 years of study and practice in most fields to attain expertise.
b. The maturity of the frontal cortex reflects cognitive changes that underlie expertise.
c. Expertise tends to decline after young adulthood.
d. Expertise is defined in terms of knowledge base, rather than problem solving, because it is difficult to measure problem solving skills.
Answer: B
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John drives to work each morning, and the trip takes an average of ยต = 38 minutes. The distribution of driving times is approximately normal with a standard deviation of ? = 5 minutes. For a randomly selected morning, what is the probability that John's drive to work will take less than 35 minutes?
a. 0.6554 c. 0.7257 b. 0.3446 d. 0.2743
Achieving a positive resolution to the psychosocial crisis of generativity vs. stagnation contributes little to the reduction of death anxiety
a. True b. False Indicate whether the statement is true or false
It is as statistically "abnormal" (unusual) for a person to score above 145 on an IQ test as it is to score below 55 . However, only the lower score is regarded as "abnormal" or undesirable. Thus, one disadvantage of using a statistical definition of abnormality is that statistical abnormality
a. does not tell us about the meaning of this deviation from the norm. b. cannot be used to establish the comorbidity of disorders. c. cannot be replicated a second time to prove validity. d. tells us more about cultural relativity than the objective aspects of abnormality.
Research indicates that midlife crises:
a. are quite rare. b. are imaginary and never actually occur. c. are somewhat common. d. are experienced by nearly all middle-aged adults at some point.