Experimenter Bias

Though the demographic age of the sample varies from 18-49, most of the questions are geared towards those who have not yet entered the work force or have completed their post-secondary education. Questions orientations such are socialization habits, career choices and dating choices seem to be more geared towards those in the lower ages of the sample. Though these topics may hold some bearing with those who are at more advanced age, the emphasis seems to be, on the surface at least, for those of a younger age.

Yes, so while we know that the questionnaire works on an undergraduate university sample, the limitation is that we don't know how well our questionnaire would work on, say, older adults.