reliability in psychological research

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1. what is the definition of: how constancy a method measures within its self

  • researcher reliability
  • internal reliability
  • external reliability
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2. techniques for checking reliability: the split half method. socres on one half of the test are corralted with scores on the other half. If participant scores demonstrate a high positive correlation then the test is reliable

  • researcher reliability
  • internal
  • external reliability

3. techniques for checking reliability: check for inter-scorer or inter observer reliability. For inter observer reliability two observers watch the same sequence of behavior record what they have seen and compare results

  • researcher reliability
  • internal reliability
  • external reliability

4. techniques for improving reliability: if reliability is low for a questionnaire, list of words etc remove one word at a time repeating the split half method each time until reliability is good

  • researcher reliability
  • internal
  • external reliability

5. techniques for improving reliability: ensure all researchers behave in a consistent way when gathering data- reserchers should be trained in the same procedures used in the study. With observations for research where CA is used- clearly op categorie

  • external reliability
  • researcher reliability
  • internal

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