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COLLECTION OF DATA

COLLECTION OF DATA. Direct observation Interview Experiment Questionnaire. DIRECT OBSERVATION. A ccurate Reliable Limited ambiguity Expensive. PERSONAL INTERVIEW. Identity of respondent is known Sincerity of answer may be checked

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COLLECTION OF DATA

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  1. COLLECTION OF DATA • Direct observation • Interview • Experiment • Questionnaire

  2. DIRECT OBSERVATION • Accurate • Reliable • Limited ambiguity • Expensive

  3. PERSONAL INTERVIEW • Identity of respondent is known • Sincerity of answer may be checked • Ambiguities may be clarified • Lack of response on sensitive issues • Time consuming • Expensive (esp. door-to-door)

  4. TELEPHONE INTERVIEW • No travelling expenses • Relatively cheap • Ambiguities may be clarified • Not all people have phones • Identity of respondent unknown • Respondent may not be available

  5. EXPERIMENT This is carried out in cases of novelties. Past data is normally unavailable so that fresh and accurate data can only be obtained by proper designing. In general, good control can be exerted over the variable under investigation.

  6. QUESTIONNAIRE • Design • Pretest • Editing of results

  7. QUESTIONNAIRE DESIGN Questions • Short • Clear • Direct • Relevant to theme of survey

  8. QUESTIONNAIRE DESIGN Types of questions • Dichotomous • Multiple choice • Rating scale • Open-ended

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