- Survey- Often retrospective, through interviews or questionnaires.
- Case Study - Observational, often in-situ for an ongoing project.
- Experiment - Controlled study, laboratory, manipulation of variables
- Quasi-Experiment - experiment, but lacking randomization.
Experiments are quantitative; surveys and case studies can be quantitative or qualitative.
- Case Study - Observational, often in-situ for an ongoing project.
- Experiment - Controlled study, laboratory, manipulation of variables
- Quasi-Experiment - experiment, but lacking randomization.
Experiments are quantitative; surveys and case studies can be quantitative or qualitative.
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