The most important difference between weak and strong research designs is that strong designs
a. include both a pre-test and a post-test.
b. have greater internal validity.
c. have greater external validity.
d. include more than one independent variable.
Which source should NOT be cited in a formal literature review?
a) Newsweek
b) Review of Educational Research
c) Handbook of Child Psychology
d) Journal of Educational Finance
Madison is interested in how many of the children in her school come from single-parent,
intact, and blended families. What method of research would she use?
a) correlational
b) quasi-experimental
c) experimental
d) descriptive
When the test statistic falls within the _______ region of the sampling distribution the research would ______ the null hypothesis.
a. test; accept
b. critical; reject
c. critical; accept
d. test; reject
The best dependent variable is defined by which of the following characteristics?
a) independent of any other variable in the same study
b) sensitive to changes in the treatment
c) can be manipulated by the researcher
d) interacts with the independent variable
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