When a Researcher Conducts a Quasi-Experiment,he or She Must Be

Multiple Choice

When a researcher conducts a quasi-experiment,he or she must be careful how the results are interpreted because

A) participants are not randomly assigned to conditions.
B) participant reactivity is a problem in quasi-experimental designs.
C) there are very few statistical tests to accommodate the data from quasi-experimental designs.
D) the researcher has too much freedom to manipulate the independent variable(s) .