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Consistency and accuracy

Consistency and accuracy

Four dartboards comparing high and low reliability with high and low validity

The dartboards illustrate how reliability and validity can vary independently. Reliability concerns consistency, while validity concerns accuracy.

11.1.7 Reliability and validity Lesson

  1. GCSE
  2. /Psychology
  3. /11.1.7 Reliability and validity

Step-by-step lessons on Edexcel GCSE Psychology 11.1.7 Reliability and validity. Each one builds up to exam-style questions. Start with the more concrete compulsory topics like memory and development before tackling evaluation-heavy optional topics and research methods.

Lessons