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GCSE Psychology · key term
A precise, testable statement predicting a difference or relationship between variables.
Used by AQA and OCR
Paper 1
Revise: Testable HypothesesA hypothesis is a precise, testable statement predicting a difference or relationship between variables. A variable is something that can change, such as the time of day or a test score. A hypothesis turns a broad idea into a prediction that can be checked against research results.
Paper 1, Paper 2
A precise, testable statement predicting the outcome of a study.
Write a hypothesis as a statement, not a question.
A null hypothesis predicts no difference or relationship, not the reverse direction of the alternative prediction.
A null hypothesis predicts no difference or no correlation; it does not predict a decrease or a negative correlation.
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A hypothesis is a precise, testable statement predicting the outcome of a study. It is written before the results are known, so the evidence can be compared with the prediction.
