Paper 3 Data Types: How to Read Quantitative and Qualitative Evidence

Learn how to interpret descriptive statistics, inferential statistics, graphs, themes and quotations for IB Psychology Paper 3.

This Paper 3 guide explains what each data type can show and what it cannot establish. Use quantitative data to compare patterns, magnitude and association; use qualitative themes to explain meaning and context. Always connect the source evidence to the claim while respecting the limits of the study design.