Following on from yesterday's publication of a video showing how to calculate Effect Size for a one-sample test, today I have added a new video showing how to calculate Effect Size for a two-sample test.
When you find a difference (in other words, an "effect") with a statistics test, it is often important to know how meaningful that difference or effect is. For example, if you were conducting a test to see if a drug had an effect on the treatment of a disease, you would like to find a meaningful difference rather than a trivial one.
This series of "How To By Hand" videos are being made at home with my GoPro Hero 7. I am using it like a document reader and it gives good quality, but is awkward to set up. I have to use my old SCUBA diving lead weights to anchor the GoPro stand on my desk. Once recorded, I use the GoPro Quik App to transfer it to my computer for upload to YouTube. As usual, I do not edit the videos - if I make a mistake, I simply start over.
Here is today's video:
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