Given the increasing costs associated with commercial textbooks and decreasing financial support of public schools, it is important to better understand the impacts of open educational resources on student outcomes. The purpose of this quantitative study is to analyze whether the adoption of open science textbooks significantly affects science…

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 folio of test items, contributed by a number of colleges and universities from their course, placement, entrance, or other institutional examinations, was compiled to aid teachers in constructing tests. Only those science courses offered in the first two years of college are represented by the scope of the items. The test items may also serve…