What is the value in pre-testing before each unit?
There are two reasons for pretesting our students: First, as we have seen in chapter one of How People Learn, pre-testing (especially our pre-writing component of the Embodied Theory) helps elicit incomplete understandings, false beliefs and naïve renditions of concepts that students bring with them to our subject-disciplines (Recall Fish-is-Fish story). The research shows that if the above are not brought to the surface, students may develop understandings that are very different from the teacher’s intent and/or they may learn the information for the purposes of a test, but they may revert to their old preconceptions (Fish-is-Fish) later. As we continue through the HPL book we will learn more about this important component in the DLE2 (or DL) Model. Second, data that is collected from our unit tests will be reported out as “normalized gains” which can only be calculated if a pretest is given. The value of reporting out data using normalized gains is that it controls for differences in
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