- Question 2 The Scientific Method And Measurement Concepts The Scientific Method Is Characterised By An Empirical Approa 1 (124.4 KiB) Viewed 16 times
Question 2. The scientific method and measurement concepts The scientific method is characterised by an empirical approach. Key concepts include clear conceptual and operational definitions of constructs, reliable and valid measures, and testable hypotheses. Answer the following: (10 Marks) For the below, refer to the two psychological concepts binge eating and low mood and how they could be related (or correlated) to each other. Provide a conceptual definition for each concept and write a brief rationale that describes why you think the two variables might be related. a) State a hypothesis that flows from your rationale and includes both constructs. (4 marks) Provide an operational definition for the constructs you chose in the previous question. c) How would you measure these variables? (You can use established measures) (2 marks) b) Differentiate between the reliability and validity of a measure. Using the operational definitions, you provided in the second question discuss the following: d) Two methods for determining reliability (2 marks) e) Two methods for determining validity (2 marks)