"The Story of Sad Sack, the Type II Error" is a short, stop-motion, animation meant to help students associate the four possible outcomes of hypothesis testing with memorable characters that have distinct “personalities”.Īccording to Bullard, “despite good contextual examples in textbooks, students will still incorrectly believe that Type I and Type II errors are sort of ‘mirror images’ of one another.” Several years ago Bullard suggested to his students that the four possible outcomes of a hypothesis test were more like completely different "personalities,” and that's how the character of Sad Sack, the Type II Error was born.īullard hopes that students who watch “The Story of Sad Sack” will not only easily remember what the different terminologies mean, but will also have a richer understanding of what these errors "feel like"-the Type I Error is a “false alarm, or excitement over nothing, and the Type II Error is a pitiful, sad, failure to discover something real. About Stop Motion Studio With it’s easy to use interface Stop Motion Studio lets you create beautiful animated movies like Wallace and Gromit or those groovy Lego shorts on YouTube. This is the best stop motion app and includes features like mask. You have the option to preview the result once you are done. Tap on the Done button once you are done arranging the photos. Press the camera button and make a new frame. Once you launch the app and tap on the Create button, the device's camera will open. and the icon representing the video is stuck in the processing animation. In this video, I explain all the new features in the paid version of stop motion studio pro. You can easily take a sequence of images and make your own stop-motion video on this app.
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According to Bullard, “it’s no wonder students sometimes forget the difference between a Type I Error and a Type II Error in statistics. This bundle lets owners of the original Stop Motion Studio Pro download Stop Motion Studio Pro 2 free of charge. YouTube: Video Stuck in Processing Writer Bio Aaron Parson has been writing. In “The Story of Sad Sack, the Type II Error” NCSSM Instructor Floyd Bullard used an iPhone, an app called Stop Motion Studio Pro, and the power of creative storytelling to explain one of the more confusing topics covered in his AP Statistics class: differentiating the types of errors when testing a hypothesis. Sometimes, there’s nothing like using a good story to teach a difficult to understand concept.
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