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Sampling techniques

The advantages and disadvantages of different sampling techniques.

How often is this tested?

Tested 5 times in the last 7 years — 20% of all P3 past-paper questions (5 of 25).

Most often tested as Paper 3: research methods (3–6 marks).

Based on OwlsPrep's analysis of official CIE IB_PSYCH past papers (2019–2025).

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