The researcher, who pretests a questionnaire conventionally, is confident that a small number of interviews reveals numerous problems afflict the questionnaire. The standardized interviewer is asked to observe respondent's verbal behaviors in order to realize whether respondent misunderstands question. But this strategy fails when respondent does…

Retrospective pretests ask respondents to report after an intervention on their aptitudes, knowledge, or beliefs before the intervention. A primary reason to administer a retrospective pretest is that in some situations, program participants may over the course of an intervention revise or recalibrate their prior understanding of program content,…