The formula ? = a + (b1)(X1) + (b2)(X2) + (b3)(X3) is the formula for
A) multiple regression.
B) the analysis of variance.
C) bivariate correlation.
D) the t test.
A
Psychology
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Sol is investigating the effects of divorce on children's self-esteem. His initial sample consists of a group of 10 five-year-olds, which he plans to follow over a period of at least 15 years. When this group of children reaches age 15, Sol adds a second group of five-year-olds to his study, and plans to follow them for another 15 years. Sol's overall plan is best classified as a _____ research design.
A. correlational B. cross-sectional C. longitudinal D. sequential
Psychology
John B. Watson and others opposed theories that strongly emphasized __________.
A. biology B. history C. anthropology D. sociology
Psychology