Which of the following statements about factor analysis is NOT true?
a. Factor analysis is a type of correlational method.
b. Factor analysis is used to determine cause and effect in a large array of variables.
c. A factor analysis is only as useful as the measures that are included in the analysis.
d. All of the above statements are true of factor analysis.
B
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In deciding on which statistical procedure to employ for a set of data, which of the following questions is least important?
a. Are the data measurement or categorical? b. Are we looking for differences or relationships? c. How many participants contributed to the data set? d. How many groups and variables are involved?
Many of the drugs of abuse share the tendency to increase levels of which neurotransmitter in the brain?
a. dopamine b. serotonin c. melatonin d. GABA e. epinephrine
With regards to coping, people with low self-esteem
a. and a self-blaming attributional style are at a disadvantage. b. become more demoralized after a failure. c. often have negative expectations about their performance. d. experience all of these.
In a normal distribution, the peak of the distribution corresponds to which measurement(s)?
A) the mode only B) the mean only C) the median only D) the mode, mean, and median