Even though the one-group pretest-posttest design is inadequate, it has one methodological advantage over the one-group posttest-only design, and that is
a. the use of randomization.
b. external validity.
c. pretest scores can be compared to posttest scores.
d. statistical tests are available to use with that design.
C
Political Science
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Westminster Palace in London can be considered the birthplace of modern parliaments
Indicate whether this statement is true or false.
Political Science
The effect of using random assignment is to
a. permit generalization of results to other populations. b. create groups that are similar prior to exposure to experimental treatments. c. reduce the possibility of experimenter bias. d. minimize the likelihood of the Hawthorne effect.
Political Science