Holt, Rinehart and Winston (School Department) sought to investigate the effectiveness of the Holt School Mathematics 1978 program in developing student achievement growth in mathematics. A field study during the 1977-1978 school year involved assessing teacher and student reactions and pre/post analysis of achievement. Results include: teachers…

Since history textbooks omit and/or emphasize certain data, students are left with a false sense of history. Although the "hard data" presented in history texts is generally regarded as reliable, the selection and organization of that data is inherently manipulative because other data has been excluded. Because authors do not begin with a…