The main difference between qualitative and quantitative research is that the former collects descriptive data while the latter focuses on numerical data. A good research problem should be relevant and feasible, and a hypothesis is a testable statement predicting relationships between variables. Key steps in educational research include identifying the problem, reviewing literature, designing the study, collecting data, analyzing results, and reporting findings.
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This answer outlines the differences between qualitative and quantitative research, characteristics of a good research problem, the concept of a hypothesis, the distinction between population and sample, pros and cons of questionnaires, and key steps in conducting educational research. ;