1. Experimental research: Involves manipulating variables to observe their effects on a dependent variable.
2. Observational research: Involves observing and recording behavior in a natural setting without manipulating variables.
3. Survey research: Involves collecting data from a large sample of participants through questionnaires or interviews.
4. Case study research: Involves in-depth analysis of a single individual, group, or event.
5. Correlational research: Involves examining the relationship between two or more variables without manipulating them.
6. Longitudinal research: Involves studying the same group of participants over an extended period of time to observe changes or trends.
7. Qualitative research: Involves exploring attitudes, behaviors, and experiences through methods such as interviews, focus groups, and observations.
8. Quantitative research: Involves collecting and analyzing numerical data to test hypotheses and make predictions.
9. Action research: Involves conducting research in collaboration with stakeholders to address real-world problems and bring about positive change.
10. Mixed methods research: Involves combining qualitative and quantitative research methods to gain a more comprehensive understanding of a research topic.