The distinguishing characteristic of the longitudinal design is that
A)several samples from the same population are tested once.
B)samples from several populations are compared.
C)a sample of individuals is asked to complete an especially long survey.
D)the same sample of respondents is surveyed more than once.

Question

Quizplus · Accepted Answer

The longitudinal design involves surveying the same sample of respondents more than once over an extended period of time. This allows researchers to observe changes and developments over time, as opposed to just comparing different samples at one point in time (option A) or comparing samples from different populations (option B). Option C is incorrect because survey length does not necessarily determine the research design.

The Distinguishing Characteristic of the Longitudinal Design Is That