A researcher who asks people to answer questions on questionnaires is using a (an) _________ measure.
a. observational
b. self-report
c. ratio
d. affective
e. cognitive
The primary difference between quasi-experiments and true experiments is that quasi-experiments
a. require fewer participants
b. do not involve random assignment
c. have no dependent variable
d. involve a single participant
e. are conducted outside of a laboratory
Which type of measure tends to require sophisticated equipment?
a. behavioral
b. psychometric
c. archival
d. interview
e. physiological
Analyses such as ANOVA and MANOVA are used to
a. analyze correlational designs only
b. analyze data from both experimental and nonexperimental designs
c. analyze data from true experiments only
d. avoid having to analyze differences between group means
e. generate scatterplots
In a stepwise multiple regression analysis, predictor variables enter the regression equation if they
a. correlate with the outcome variable
b. correlate with one another
c. predict unique variance in the outcome variable
d. account for more variance than all other variables
e. are selected by the researcher
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