OCR GCSE Psychology · J203
Paper 1
Revise: Heaven (1996): Personality, Self-Esteem and DelinquencyThe modal age was now 16. This loss of participants between testing occasions is called attrition.
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GCSE Psychology · key term
The loss of participants between stages of a study. Attrition can bias findings if those who remain differ systematically from those who leave.
Used by OCR
Paper 1
Revise: Heaven (1996): Personality, Self-Esteem and DelinquencyThe modal age was now 16. This loss of participants between testing occasions is called attrition.
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