This is the combined variance terms for two samples weighted by the sample size of each sample.

A. sample means
B. pooled variance
C. pooled means
D. sample variance


Answer: B

Psychology

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A revised approach to behaviorism, which examines mental or cognitive processes as well as observable behaviors, is called the ____ approach.

A. psychoanalytic B. cognitive C. social cognitive D. structuralism

Psychology

To help her class learn the state capitals and to reduce prejudice, an elementary school teacher divides the class into several ethnically diverse groups. She then gives each group member a different set of ten states and their capitals. After each student learns the ten capitals, she must teach them to the other members of the group. This is an example of ____.?

a. ?cognitive dissonance theory b. ?the jigsaw technique c. ?the matching hypothesis d. ?an illusory correlation

Psychology

In a study of preference for four different clothing styles, each participant is asked to evaluate all four styles in a reverse counterbalanced order. What type of design does this study represent?

a. one-variable within-subjects design b. one-variable between subjects design c. between-subjects factorial design d. mixed factori e. al design

Psychology

The need to reinvent yourself is driven by

A. Technology, demographics, and globalization B. Technology, hieroglyphics, and globalization C. Geophysics, demographics, and decentralization

Psychology