Personality trait theorist Raymond Cattell used the statistical technique called __________.
A. factor features
B. t Pool
C. pf analysis
D. factor analysis
Answer: D
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What, if anything, differs between potentially addictive substances and those that are not addictive?
a. There is no dependable distinction between addictive and nonaddictive substances. b. Addictive substances are chemically similar to either dopamine or serotonin c. Addictive substances are insoluble in water. d. Addictive substances have a negative electrical charge.
All of the following increase the magnitude of the t statistic and/or the likelihood of rejecting H0 EXCEPT
a. a greater difference between the sample mean and the population mean. b. an increase in sample size. c. a decrease in sample variance. d. a smaller significance level .
If a man of normal color vision looks at a green paper for about 30 seconds and then shifts his gaze to a sheet of white paper, that paper will appear
a. yellow. c. red. b. blue. d. gray.
In an Israeli study of seventh to ninth graders, after controlling for participants’ age, researchers found that __________ fully accounted for early adolescent gains in propositional thought
A) pubertal timing B) real-world knowledge C) their own beliefs D) years of schooling