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Return to Approaches to Social Research 6e Student Resources
Chapter 08 True/False Quiz
Quiz Content
*
not completed
.
Threats to internal validity consist of categories of extraneous variables that may be confounded with the independent variable.
a) TRUE
correct
incorrect
b) FALSE
correct
incorrect
*
not completed
.
Pretesting or measuring subjects twice in the same study controls for testing effects.
a) TRUE
correct
incorrect
b) FALSE
correct
incorrect
*
not completed
.
The use of a nonprobability sample makes selection a threat to internal validity.
a) TRUE
correct
incorrect
b) FALSE
correct
incorrect
*
not completed
.
Pre-experimental designs lack one or more features of a true experiment.
a) TRUE
correct
incorrect
b) FALSE
correct
incorrect
*
not completed
.
True experimental designs control for threats to internal validity.
a) TRUE
correct
incorrect
b) FALSE
correct
incorrect
*
not completed
.
In social research, within-subject designs are preferable to between-subject designs.
a) TRUE
correct
incorrect
b) FALSE
correct
incorrect
*
not completed
.
The external validity of true experimental designs may be limited by the interaction of the independent variable with some other feature of the experiment.
a) TRUE
correct
incorrect
b) FALSE
correct
incorrect
*
not completed
.
An interaction effect occurs when the effect of one independent variable depends on the level of another variable.
a) TRUE
correct
incorrect
b) FALSE
correct
incorrect
*
not completed
.
Quasi-experimental designs contain all the features of a true experiment except the manipulation of the independent variable.
a) TRUE
correct
incorrect
b) FALSE
correct
incorrect
*
not completed
.
One nonessential feature of experiments that quasi-experimental designs often omit is a pretest.
a) TRUE
correct
incorrect
b) FALSE
correct
incorrect
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