reliability

• What is the main focus of psychology in relation to measurement?

  Measuring behavior consistently
• Why is reliability important in psychological investigations?

  It ensures consistent results across measurements
• What are some measurement tools used by psychologists?

  Questionnaires, interviews, observations
• What is external reliability in psychological measures?

  Consistency of results when repeated
• What is internal reliability in psychological measures?

  Consistency among different parts of a measure
• What method assesses internal reliability using a questionnaire?

  Split-half method
• How does the split-half method work?

  It splits a measure into two parts
• What does a strong correlation in the split-half method indicate?

  High internal reliability of the measure
• What is the test-retest method used for?

  Assessing external reliability
• What does a strong correlation in the test-retest method indicate?

  High external reliability of the measure
• What is inter-observer reliability?

  Agreement between different observers' results
• How do researchers assess inter-observer reliability?

  By comparing results from different observers
• What is the role of behavioral categories in observations?

  To define specific behaviors for recording
• What statistical tests are used to measure correlations?

  Pearson's r or Spearman's rho
• What correlation value indicates a reliable measure?

  0.8 or stronger
• How can researchers improve reliability in observations?

  By training observers and refining categories
• What should be done to ensure structured interviews are reliable?

  Carefully phrase questions to avoid confusion
• How can questionnaires improve reliability?

  By using closed questions to reduce confusion
• What is a recommended practice for experiments to ensure reliability?

  Use a clear standardized procedure
• Why should environmental conditions be kept constant in experiments?

  To ensure all participants have the same experience
• What is the purpose of the siteboost.com platform mentioned?

  To provide educational resources and videos
• What support does Patreon provide to the siteboost platform?

  Access to bonus resources and tutorial videos
• What is the focus of the next research methods video mentioned?

  Validity