Determined which of 10 rational thinking powers are measured by 12 commercially-available standardized science tests. One result reported is that 90 percent of the test items required only recall. The conclusion was drawn that the producers of standardized tests are not concerned with measuring student achievement of the rational powers.…

This document presents a two-part study. In the first part, open-ended questions based on interview studies were administered via paper-and-pencil tasks to 76 sixth and eighth grade students. In the second part, the earth and sun relationship questions were extracted, modified, and given to 178 seventh grade students. In part one, the performance…