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Research Methodology

Define Population in Research: Sampling Frame, Criteria, and Common Mistakes

Learn how to define your research population correctly, build a sampling frame, set inclusion/exclusion criteria, and avoid sampling bias.

15 January 20265 min read

Research Methodology

Data Collection Methods in Research: Primary vs Secondary (Best Practices)

Understand the most-used data collection methods—surveys, interviews, observation, experiments, and secondary datasets—plus how to select the best fit for your design.

15 January 20264 min read

Research Methodology

Research Design: How to Choose the Right Study Approach (With Examples)

A practical guide to selecting the right research design—qualitative, quantitative, or mixed methods—so your study remains valid, feasible, and publishable.

15 January 20265 min read