This investigation attempts to determine if the congruity in textbook-test content varies as a function of different styles of textbook use. Across all standardized tests, instructional validity of the five styles of textbook use was far lower for the management-by-objectives model than for any other styles. (Author/PN)

The authors argue that personnel who select standardized achievement tests have been led to believe that the major achievement test batteries differ very little in terms of the topics they test; but that the content covered by these major tests is different, and that such differences have consequences for instructional content. To test this…

To help teachers in comparing the content of their instruction with the content of standardized tests, a taxonomy of elementary school mathematics was developed. The taxonomy consisted of matrix with three dimensions; (1) mode of presentation (how questions are asked); (2) nature of material (type of numbers or mathematical terms); and (3)…