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Unknown Story
Updated: 9/16/2020
Unknown Story
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Storyboard Text

  • Threats to internal validity
  • When this happens, the results automatically become unbalanced
  • Experimental mortality is when someone drops out of your experiment
  • Experimental Mortality
  • Miss Jenni: Suppose you are doing an experiment measuring the endorphins released in sports
  • Miss Jenni: If the children quit, your experimental and control groups will no longer match.
  • Miss Jenni: There is no easy way to predict this happening; other than trying to find joyful activities
  • Threats to internal validity
  • Demand characteristics are when participants understand the goal of the experiment and subconsciously change their behavior
  • Demand Characteristics
  • Miss Jenni: Suppose you are doing an experiment measuring whether chocolate or vanilla ice cream makes you more hyper
  • Miss Jenni: Subconsciously the participants can change the results to fit the idea of the experiment, making unmatched results.
  • Miss Jenni: You may have to use strategies like deception or post experiment questionnaire for accurate results.
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