An experimental design in which the dependent measure is assessed for one or more groups of individuals more than twice, at regular intervals, both before and after the experience of interest occurs is called a
a. a comparison-group design.
b. time-series design.
c. participants-variable design.
d. before-after design.
Question 2
It is most accurate to say that
a. because they are correlational in nature, valid conclusions can never be drawn from quasi-experimental research designs.
b. quasi-experimental research will generally have higher internal validity in comparison to true experiments.
c. although they will generally have some threats to internal validity, quasi-experiments can sometimes be used to draw inferences about the causal relationships among variables.
d. quasi-experiments are less scientific than other types of research designs.
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