CFA vs PCA: Differences and Why SPSS Confuses Researchers

CFA vs PCA explained for psychologists: what each technique does, when to use each, and why SPSS 'Factor Analysis' runs PCA by default. With R code (psych, lavaan) and examples.

Keep reading

• Exploratory Factor Analysis (EFA): Complete Guide with Examples
• Measurement Invariance in R (lavaan): Configural, Metric, Scalar
• Questionnaire Validation in Psychology: Complete Process (EFA+CFA+IRT)
• Outcome Scales in Physiotherapy: Validation and Clinical Change

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