Which data source for testing evolutionary hypotheses can be clouded by social desirability motives?

Question

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Self-report data can be clouded by social desirability motives, as individuals may provide answers that they believe are socially acceptable or desirable rather than their actual behavior or beliefs. This can potentially bias the data and make it difficult to accurately test evolutionary hypotheses. The other options, human products, archaeological evidence, and public records, are not typically affected by social desirability motives in the same way.

Which Data Source for Testing Evolutionary Hypotheses Can Be Clouded