| Research Category | Types |
|---|---|
| Experimental Studies | – Randomized Controlled Trials (RCT) – Laboratory Experiments – Field Experiments – Quasi-experimental Studies – Pre-test/Post-test Design |
| Observational Studies | – Cohort Studies – Case-Control Studies – Cross-sectional Studies – Longitudinal Studies – Ecological Studies |
| Qualitative Studies | – Ethnographic Research – Phenomenological Studies – Grounded Theory Studies – Case Studies – Narrative Research – Focus Groups |
| Mixed Methods | – Sequential Mixed Methods – Concurrent Mixed Methods – Transformative Mixed Methods – Embedded Mixed Methods |
| Descriptive Studies | – Surveys – Naturalistic Observation – Correlational Studies – Descriptive Case Studies – Population Studies |
| Research Synthesis | – Meta-Analysis – Systematic Reviews – Scoping Reviews – Integrative Reviews – Literature Reviews |