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https://youtu.be/IRJ6x-_2uoY Describe one threat to the validity of the fun grey hair study shown in the video; this can be a threat to the internal

https://youtu.be/IRJ6x-_2uoY

  • Describe one threat to the validity of the fun "grey hair" study shown in the video; this can be a threat to the internal or external validity or both. The threat must not be about the confounding variable that has been pointed out in the video.
  • What do you think is a strength of the fun "grey hair" study shown in the video?

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