Which of the following represents the greatest limitation to drawing conclusions from a single group design?
a. The variables may not be adequately measured.
b. The data are frequently too artificial.
c. They cannot be used to draw conclusions about the how the experience influenced the participants.
d. They are likely to be influenced by retesting.
Question 2
Quasi-experimental research designs are so named because
a. they are only partially scientific.
b. the independent variable involves a grouping.
c. they are not correlational studies.
d. they involve comparing an indefinite number of groups.
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Withdrawing Medication from Single-Dose or Multiple-Dose Vials
GDP per Capita by Country Group, 1820–2008
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