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Making a Fair Comparison

Making a Fair Comparison

A control is a step built into a study to limit the influence of an extraneous variable on the results. An extraneous variable is anything other than the independent variable that could affect the dependent variable.

11.1.2 Controlling extraneous variables Lesson

  1. GCSE
  2. /Psychology
  3. /11.1.2 Controlling extraneous variables

Step-by-step lessons on Edexcel GCSE Psychology 11.1.2 Controlling extraneous variables. 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