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Quantitative Methods

Quantitative methods focus on measurement, statistics, and numerical analysis.

When to Use​

  • Testing hypotheses
  • Measuring prevalence or frequency
  • Establishing relationships between variables
  • Generalizing to larger populations

Common Methods​

Surveys​

Structured questionnaires for data collection at scale.

Experiments​

Controlled manipulation to test causal relationships.

Secondary Data Analysis​

Analysis of existing datasets.

Computational Methods​

Large-scale data analysis using algorithms.

Statistical Techniques​

TechniquePurpose
Descriptive StatisticsSummarize data
CorrelationMeasure relationships
RegressionPredict outcomes
ANOVACompare groups
Factor AnalysisIdentify underlying factors

Quality Criteria​

  • Internal validity
  • External validity
  • Reliability
  • Statistical power