A _____ is a group of people born in a specified, limited span of years (e.g., the 1960s)
a. cohort
b. cross-section
c. population
d. sample
a
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If all participants in a repeated-measures study show roughly the same 10-point difference between treatments, then the data are likely to produce a significant value for the t statistic
Indicate whether the statement is true or false
A(n) ____ motivates students to set higher goals and study hard to get good grades. A(n) ____ motivates students to study just enough to avoid failing exams, but not enough to get good grades
a. self-handicapping strategy; overjustification effect b. need for achievement; fear of failure c. extrinsic motivation; intrinsic motivation d. peripheral cue; cognitive cue
Francis Galton was very much concerned that the intelligence of the overall population was on the decline. In an effort to reverse this he urged the government to pay people of high intelligence to mate with each other in a selective breeding program. The program that Galton was proposing is called ____________.
a. eugenics b. natural selection c. unnatural selection d. genetic engineering
What must an individual resolve in each of Erikson's psychosocial stages?
A. crisis or conflict B. unconscious obstacle C. significant life stressor D. moral dilemma