Internal validity refers to which of the following? a. The ability to infer that a casual relationship exists between 2 variables b. The extent to which study results can be generalized to and across populations of persons, settings, and times c. The use of effective measurement instruments in the study d. The ability to generalize the study results to individuals not included in the study

Internal validity refers to which of the following?
a. The ability to infer that a casual relationship exists between 2 variables
b. The extent to which study results can be generalized to and across populations of persons,
settings, and times
c. The use of effective measurement instruments in the study
d. The ability to generalize the study results to individuals not included in the study
by

1 Answer

Answer :

b. The extent to which study results can be generalized to and across populations of persons,
settings, and times
by

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