A psychologist is planning a study of reading format and comprehension. The psychologist writes two possible predictions.
Prediction A: Pupils who read a 600-word passage on paper will score higher on a 15-question comprehension test than pupils who read the same passage on a screen.
Prediction B: There will be a difference in the scores on a 15-question comprehension test between pupils who read a 600-word passage on paper and pupils who read the same passage on a screen.
State which prediction is directional.
Explain one difference between the wording of Prediction A and Prediction B.
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.