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Methods For Data Collection
Completion requirements
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- Personal interviewing, where the source of information is people, and the information is obtained verbally.
- Postal questionnaires.
- Observations or inspection. This method entails observing events as they happen and obtaining data by physically counting or measuring.
- Abstraction, where the sources of data are documents.
- Opinion surveys: an assessment of how a person or group feels about a particular issue.
- Delphi technique: a method of the survey the requires surveying the same group of respondents repeatedly on the same issue in order to reach a consensus.
- Self-ratings: a method used by participants to rank their own performance, knowledge and attitudes.
- Case studies: experiences of selected persons/issues/items. An example can be to study the wear and tear on a machine.