When designing psychological investigations, researchers must formulate hypotheses that can be empirically tested.
Which one of the following is an essential requirement for a hypothesis to be testable?
The hypothesis must state a directional (one-tailed) prediction.
The key variables in the hypothesis must be clearly operationalised.
The hypothesis must predict a relationship rather than a difference.
The hypothesis must reference previous peer-reviewed research findings.
689 exam-style questions on AQA A Level Psychology Scientific processes. Each one has a worked solution and a mark scheme showing where the marks go.