reliability

• What does reliability refer to in psychological tests?

  Consistency of measurements across tests
• What is observer reliability?

  Consistency in recording participants' behavior
• What is inter-observer reliability?

  Agreement between different observers' interpretations
• Why is inter-observer reliability important?

  To avoid subjectivity and bias in data
• How is inter-observer reliability established?

  By comparing independent observations of behavior
• What does test reliability refer to?

  The consistency of a test's results over time
• What is the test-retest method?

  Assessing consistency by repeating the same test
• How can you determine if a test is reliable using the test-retest method?

  If scores are similar on two occasions
• What problems can arise with the timing of test-retest assessments?

  Timing may be too long or too short
• How can reliability be improved in questionnaires?

  By ensuring a correlation coefficient exceeds +0.8
• What should be done if a questionnaire shows low test-retest reliability?

  Rewrite some of the questions
• How can interviews improve reliability?

  By using the same interviewer each time
• What is a key feature of structured interviews?

  Fixed questions control interviewers' behavior
• Why are unstructured interviews less reliable?

  They are more free-flowing and variable
• How can reliability be improved in observations?

  By having clear, operationalized behavioral categories
• What is the goal of inter-observer reliability in observations?

  To achieve a high correlation between observers
• Why are lab experiments considered reliable?

  They have high control over variables
• What can affect the reliability of findings in experiments?

  Testing participants under different conditions