Which of the following is TRUE?
a. A study lacking external validity may nevertheless have high internal validity.
b. Internal validity is a matter of degree, whereas external validity either exists or doesn't exist.
c. In most experiments we can conclude that the observed response is due to our experimental manipulations.
d. Both a and b.
e. a, b, and c.
Question 2When a researcher tries to ensure that the changes observed in the effect variable are reproducible in other situations, the researcher is attempting to enhance the experiments
a. internal validity.
b. convergent validity.
c. external validity.
d. construct validity.
e. None of the above are correct.
Question 3Which of the following is TRUE?
a. External validity is concerned with the issue of whether or not the specific treatment in which the researchers are interested has actually brought about the effect they have observed.
b. A consumer good purchase experiment conducted in a mock-up store is more externally valid than the same experiment in a real store setting.
c. External validity deals with the problem of projecting one's results from the experimental setting to the real world.
d. Both a and c.
e. a, b, and c.
Question 4When referring to the question as to what populations and settings can the observed effect be generalized, one is referring to
a. internal validity.
b. turnover analysis.
c. external validity.
d. longitudinal analysis.
e. cross sectional analysis.
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