Qualitative Research | Quantitative Research | |
Purpose | Understand and interpret social interactions. | Test hypotheses. Look at cause and effect. Predict. |
Group Studied |
Tends to be smaller, nonrandom. Researchers may get involved in lives of those studied. |
Tends to be larger, randomly selected. Anonymity important. |
Variables | Study of the whole rather than specific variables. | A few variables studied. |
Type of Data Collected | Emphasis is on words. Increasing interest in visual data. | Emphasis is on numbers. Variables. |
Form of Data Collected |
In-depth interviews, participant observation, field notes, and open-ended questions. |
Data based on precise measurement using structured and validated data-collection instruments |
Type of Data Analysis |
Use descriptive data; search for patterns, themes, and holistic features; appreciate difference/variation. |
Identify statistical relationships among variables. |
Objectivity / Subjectivity | Subjectivity is expected. | Objectivity is critical. |
Role of Researcher | Researcher is central to any study. Interpretations are based on researcher's experience and background. | Researcher tries to remain outside of the system, keeping biases to a minimum. |
Nature of Reality/Truth | Multiple realities; subjective. | Single reality; objective. |
Nature of Observation | Study groups and individuals in natural settings; attempt to understand perspectives. | Study behavior under controlled conditions; isolate the causal effect of single variables. |
Scientific method | "Bottom-up." The researcher generates hypotheses from data collected during fieldwork. | "Top-down." The researcher tests hypotheses and theory with data. |
Final Report | Informal narrative. | Formal statistical report. |
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