At a community art workshop, adults copy a mosaic pattern for five minutes. For each participant, a psychologist records the number of tiles placed in the correct position and tallies how many times the participant looks back at the example pattern.
State an operationalised alternative hypothesis.
In a separate study, a psychologist observes each passenger from the moment they reach a railway platform until their train arrives. The psychologist records how many times the passenger checks the departure board and their waiting time in minutes. Identify the two co-variables.
139 exam-style questions on OCR GCSE Psychology 7.2 Doing Research, covering 7.2.1 Experiments, 7.2.2 Interviews, 7.2.3 Questionnaires (Surveys), 7.2.4 Observations, 7.2.5 Case Studies, and 7.2.6 Correlations. Each one has a worked solution and a mark scheme showing where the marks go.