Northwestern Help

Research Methods: A Practical Framework

Designing studies, gathering evidence, and maintaining rigor

Research Methods

The Role of Method in Research

Method is the bridge between a research question and a credible answer. Without a clear methodology, even the most insightful question produces results that cannot be trusted or reproduced.

This chapter provides a practical framework for selecting and applying research methods in academic work. It is not a comprehensive methods textbook; rather, it is a guide to thinking methodologically.

Choosing Your Approach

Qualitative Methods

Qualitative research seeks to understand phenomena in depth, often through:

  • Interviews: Semi-structured conversations that explore participant perspectives
  • Ethnography: Immersive observation of communities or practices
  • Textual Analysis: Close reading of documents, media, or artifacts
  • Case Studies: Intensive examination of bounded systems or instances

Qualitative work excels at answering “how” and “why” questions, and at capturing the complexity of human experience.

Quantitative Methods

Quantitative research measures and analyzes numerical data, typically through:

  • Surveys: Standardized instruments for collecting responses at scale
  • Experiments: Controlled manipulations to test causal hypotheses
  • Statistical Analysis: Mathematical modeling of relationships and patterns
  • Content Analysis: Systematic coding and counting of textual or visual elements

Quantitative approaches are strongest for “how much,” “how often,” and “what is the relationship between” questions.

Mixed Methods

Increasingly, researchers combine approaches. A mixed-methods design might use qualitative interviews to generate hypotheses and a quantitative survey to test them across a larger population.

Ethical Considerations

Research ethics is not a bureaucratic hurdle. It is the foundation of trustworthy scholarship and the protection of human dignity.

Key ethical principles include:

  • Informed Consent: Participants must understand what they are agreeing to
  • Confidentiality: Protect identities unless explicit permission is granted
  • Minimizing Harm: Consider psychological, social, and professional risks
  • Honest Reporting: Do not suppress negative or null results

Validity and Reliability

A methodologically sound study addresses two core concerns:

  • Validity: Are you measuring what you claim to measure?
  • Reliability: Would another researcher, following your procedures, obtain similar results?

These concepts apply differently across qualitative and quantitative traditions, but the underlying concern — trustworthiness — is universal.

Building Your Methodology Section

When writing about your methods, be specific enough that a reader could replicate your study. Describe:

  1. Your research design and rationale
  2. Participant selection or sampling strategy
  3. Data collection procedures
  4. Analytical approach
  5. Limitations acknowledged

Transparency about limitations is a sign of rigor, not weakness. Every study has constraints; acknowledging them strengthens your credibility.