An error in research reflecting the prospect that people who offer to participate in research studies differ systematically from people who do not is known as__________
A) volunteer bias
B) random sampling
C) the correlation coefficient
D) an independent variable
E) Select
A
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Ted wants to learn about the effects of the drug Prozac. Under what category of medications would he find the drug listed?
a. antimanic b. antianxiety c. antipsychotic d. antidepressant
If Maurice has a depressive explanatory style, then he is likely to attribute his failures to
a. stable, global, and internal factors. b. stable, global, and external factors. c. unstable, situational, and internal factors d. unstable, situational, and external factors.
Which of the following is not an accurate finding about Head Start programs??
a. ?IQ gains persist several years after children leave Head Start. b. ?Head Start students are less likely to be held back a grade later in their school careers. c. ?Head Start has benefited children's health. d. ?Children's academic skills and motivation increase in Head Start programs.
Which of the following statements is correct about hypothetical constructs?
A. They are useful inventions by researchers that have no physical reality. B. They are easier to measure than personality variables. C. They cannot be measured with personality tests. D. They have poor reliability and validity.