An educational psychologist investigates the problem-solving strategies of students. During the study, they collect three measurements from each participant:
Which of the following correctly identifies the levels of measurement for these three variables, in order?
1: Nominal, 2: Ordinal, 3: Interval
1: Nominal, 2: Interval, 3: Ordinal
1: Ordinal, 2: Nominal, 3: Interval
1: Ordinal, 2: Ordinal, 3: Interval
644 exam-style questions on OCR A Level Psychology Research methods and techniques. Each one has a worked solution and a mark scheme showing where the marks go.