Whether the results of a study are applicable to other populations. Generalizability is a concern because an individual study is conducted on a particular sample of persons with certain characteristics. It is necessary to ask whether there are other groups of people to whom the results may or may not apply.

Result of a study are generalizable if they can be applied to populations other than just the study sample.

The degree to which sample results can be universally applied or extended to the population from which the sample was taken.

The extent to which a student's performance on an assessment can be extended to indicate his or her achievement of a body of knowledge or skills. Assessment results which cannot be generalized may be of limited utility.

Capable of being generalized, or reduced to a general form of statement, or brought under a general rule.