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                                                                                             CHAPTER





                        Your Assumptions and Beliefs






                              he classroom is an extremely busy place with dozens of moving
                              parts,  dozens  of  personalities, and  hundreds  of  demands  on our
                        T time in any given day. There are just too many pieces of information
                        for us to process or even notice them all. In many ways, the classroom is
                        an example of the selective attention principle (Simons, 2010) at work. The
                        effects of selected attention are illustrated in Daniel Simons and Chris-
                        topher Chabris’s famous “Gorilla” video (bit.ly/DiveIntoUDLCh4a): When
                        instructed to count the number of times the players in white pass a basket-
                        ball during the video, viewers become so focused on the passes that they
                        fail to see a person in a gorilla suit walk through the game.

                        Our focus becomes a filter.

                        For many of us, our assumptions and beliefs about learning and learners
                        become our focus and our filter. We expect to see certain behaviors: for
                        certain students to succeed, for other students to struggle. We count the
                        passes, but counting the passes reinforces our expectations so we fail to
                        see the gorilla walk across the floor.
                        It’s only when we consciously look for the gorilla—when someone points
                        out that we should look for the gorilla—that we see it. If you are lucky
                        enough to have experienced the Simons and Chabris video without prior
                        knowledge of its intent, it is an eye-opening moment. You can’t believe
                        you missed the gorilla. It’s so obvious! However, some will insist the video
                        was doctored. There is no way they missed that gorilla! The gorilla wasn’t
                        there. If you want to give the test another try, take a look at “The Monkey
                        Business Illusion” (bit.ly/DiveIntoUDLCh4c) or “Movie Perception Test” (bit.ly/
                        DiveIntoUDLCh4b), which illustrate the same concept.




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