According to the article Zipping Up the Genes about twins reared apart, variance in scientific studies is
likely to be the result of differences between individuals studied and
(a) error in measurement
(b) careful control of studies
(c) statistical analysis
(d) all of these--a, b, and c--are correct
A
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Chester is not very active and shows relatively low emotional responsiveness. When exposed to a new situation, Chester is initially fussy but eventually calms down. Chester is a(n) __________ child.
A. active B. slow-to-warm-up C. difficult D. easy
The period of concrete operations is characterized by a decline in
a. perspective taking. b. egocentrism. c. need for identity. d. ethnocentrism.
Which of the following theories says that attitudes follow behavior?
A. attribution B. schema C. self-esteem D. self-perception
The main difference between a quasi-experiment and an experiment is that the independent variable:
a. is manipulated in an experiment b. is manipulated in a quasi-experiment c. has 3 levels in an experiment d. cannot be measured in a quasi-experiment