Which is true about an operational variable in quantitative research?
a. It is developed so that the degree of its existence can be measured.
b. It is often derived from a theoretical definition of a related concept.
c. It is specific to the time and setting of the research study.
d. It provides the theoretical meaning of a variable.
Question 2
During a study to measure the effects of violent video games on aggressive behavior, the researchers learned that a portion of the subjects lived in homes with one or more alcoholic parents. In this study, the presence of an alcoholic parent is a(n)
a. confounding variable.
b. dependent variable.
c. independent variable.
d. unrecognized variable.
Cryptorchidism. (a) In complete cryptorchidism, the testes of a newborn have failed to descend into
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