CCJ 4700 Exam Study Guide Latest
Update
Dependent Variable - Answer-the variable assume to depend on or be caused
by another variable (IV). If you find that sentence length is partly a function of the
number of prior arrests, then sentence length is being treated as a dependent variable.
Exper...
ex: if they use two different tests for the pretest and posttest.
Maturation - Answer✔✔-Natural (often age linked) change in the DV over time
Pretest - Answer✔✔-is a measure of the dependent variable taken before the
implementation of the
independent variable
Posttest - Answer✔✔-
Quasi-experiment - Answer✔✔-A research design that includes most, but not all,
elements of an experimental design. Quasi means "sort of", and a Quasi-experiment is
sort of an experiment. two general classes of quasi-experiments are nonequivalent
groups and time-series design.
Randomization - Answer✔✔-A technique for randomly assigning experimental
subjects to experimental groups and control group
Selection Bias - Answer✔✔-Pre-existing differences between groups, or different
potentials for change
Statistical regression - Answer✔✔-Imperfect reliability; sometimes a subject pretest
score will be randomly high or low
Testing - Answer✔✔-Taking the pretest may change the way subjects respond to
posttest
Control group - Answer✔✔--Not given the treatment
- Used to compare results from the experiment group
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