SCIENCE UNITS CONSTRUCTED TO DIRECTLY TEACH CRITICAL THINKING ARE COMPARED WITH CONVENTIONAL SCIENCE UNITS FOR EFFECTIVENESS IN THE TEACHING OF CRITICAL THINKING. THE SAMPLE INCLUDED 1,554 FOURTH, FIFTH, AND SIXTH GRADE STUDENTS TAUGHT BY 65 TEACHERS IN FIVE DIFFERENT SCHOOL SYSTEMS. TEACHERS OF THE 469 STUDENTS IN THE RESEARCH GROUP WERE…

For all the fractious debate in America over the state of public schools, those on the political Left and Right agree that the "achievement gaps" are real. But what do most people mean when they say "achievement gaps"? Gaps in standardized test scores, of course. The gaps consist of the differences between the test scores of…

The National Assessment of Educational Progress (NAEP) is the only nationally representative and continuing assessment of what students in the United States know and can do in various academic subjects. The 1996 NAEP in mathematics assessed the current level of mathematical achievement as a mechanism for informing education reform. In 1996, 44…

In 1990, the National Assessment of Educational Progress (NAEP) included a Trial State Assessment which, for the first time in the NAEP's history, made voluntary state-by-state assessments. This 1992 mathematics report marks the first attempt of the National Center for Education Statistics (NCES) to shift to standards-based reporting of National…