A psychologist investigates whether the format used to read a passage affects comprehension. One group reads a 600-word passage printed on paper and another group reads the same passage on a computer screen. Each participant then completes the same 12-question comprehension test.
State an operationalised null hypothesis for this investigation.
182 exam-style questions on OCR GCSE Psychology 7.1 Planning Research, covering 7.1.1 Hypotheses, 7.1.2 Variables, 7.1.3 Experimental Designs, 7.1.4 Populations and Sampling, 7.1.5 Ethical issues, and 7.1.6 Dealing with ethical issues and BPS Code. Each one has a worked solution and a mark scheme showing where the marks go.