Researchers have discovered that expert performers:
A) ?are not born with talent.
B) ?show superlative skills in many different fields of endeavor.
C) ?usually require at least 10 years of practice to achieve a high level of performance.
D) ?Both a and b are correct.
C
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A Likert scale is a(n)
a. open ended rating scale b. rating scale, often with seven or nine categories c. rating scale with verbal categories rather than numerical d. questionnaire that uses branching of items
In both classical and operant procedures, training responses to one stimulus but not to
others, even if they closely resemble the first stimulus, are called a. stimulus discrimination. b. stimulus generalization. c. spontaneous recovery. d. extinction. e. acquisition.
The lower limit in the lowest class interval should equal i
Indicate whether the statement is true or false
Which of the following is NOT suggested by the authors as a method to reduce teenage pregnancies?
A) ?Provide compulsory sex education curriculum at all grade levels. B) ?Provide free or low-cost contraceptives to all adolescents who want them. C) ?Educate males to assume (at least) some responsibility for birth control. D) ?Emphasize abstinence from intercourse until the early twenties to minimize risk of pregnancy as well as the risk of contracting AIDS.