reliability

• What does reliability refer to in psychology?


  Consistency of a measuring device
• What is internal reliability concerned with?


  Consistency within a set of scores
• How should a set of scales demonstrate internal reliability?

  Measure the same weight consistently
• What does external reliability concern?

  Consistency of a test over time
• What is an example of external reliability?

  Same results on repeated tests
• What are the two types of reliability you will learn in Year 2 Psychology?

  • Test-retest reliability
  • Inter-observer reliability
• What should you do for your psychology December Mock?

  Revise for the exam
• What are the three types of experimental designs?

  1. Independent groups design
  2. Repeated measures design
  3. Matched pairs design
• What is the difference between independent groups and repeated measures designs?

  Independent groups use different participants
• How does internal reliability differ from external reliability?

  Internal reliability is within scores, external is over time