Sampling error:
A. is not a major problem in most surveys.
B. is the deviation of sample characteristics from those of a population.
C. cannot be effectively reduced.
D. None of the answers is correct.
Answer: B
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Cattell's goal in studying personality was to:
a. explore the unconscious. c. change behavior. b. predict behavior. d. cure emotionally disturbed persons.
Research indicates that most individuals' progression through Kohlberg's stages is ____. a. haphazard
b. in sequence. c. gender-specific. d. dependent on self-esteem.
Valerie's state passed a law mandating a free public pre-kindergarten education for three- and four-year-old children, although school enrollment is not mandatory until age five, with kindergarten. She is tracking the school-readiness and reading-readiness scores of all children starting kindergarten to see how the children who are enrolled in the pre-K program do in comparison to those of
similar background who do not attend. Valerie is conducting ____. a. applied research b. implementation research c. basic research d. policy research
In a two-way factorial ANOVA, the formula for calculating dfTotal is
a. N - 1 b. N - k. c. k - 1. d. N - (k - 1).