The key difference between a questionnaire and a schedule is that:
A. Questionnaires are always mailed, while schedules are always administered in person
B. Questionnaires collect qualitative data only, while schedules collect quantitative data only
C. In a schedule, the enumerator fills the form based on respondent answers, whereas in a questionnaire, the respondent self-completes it
D. Schedules are used for primary data only, while questionnaires are for secondary data
Answer: Option C
Solution (By JKSSB Mock Tests)
A schedule is completed by an enumerator who records responses during an interview, while a questionnaire is typically self-administered by the respondent, affecting data collection dynamics.
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