On the basis of detailed interviews with the parents, Thomas and Chess identified _____ temperament dimensions that seemed to capture the diverse behavior patterns exhibited among the infants
A) 3
B) 6
C) 9
D) 12
C) 9
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Which of the following sources contain reliability and validity information on various tests?
a. Radford Guide to Reliability b. California Index c. Validity Studies d. Mental Measurements Yearbook
A stratified random sample should be used when
a. the population has identifiable subgroups that are of interest to the researcher b. the sample constitutes the population. c. the population is very small d. there is no way of estimating the probability that a particular subgroup will be included in the sample
It maximizes fitness, all other things being equal, for males to copulate
(a) often and indiscriminately (b) occasionally and indiscriminately (c) often and be picky (d) occasionally and be picky
According to the U.S. Controlled Substances Act (1970), drugs are classified into one of five schedules, depending on an eight-factor analysis of their
a. potency. b. efficacy. c. cost-benefit analysis. d. active ingredients. e. abuse liability.