The study compared the effectiveness of two types of science textbook adaptations--graphics and study guides--and of self-study with 49 learning-disabled high school students in four classes. Results indicated better test scores for students using graphics-adapted texts. No differences were found between study guide adaptations and self-study.…

Questions the continued misuse of Markovnikov's Rule in organic chemistry texts. Claims that the results of several studies that show the reaction to be more complex than it appears at first. Criticizes authors of new texts who have perpetrated the rule based on reading older texts. (TW)

Evaluates textbook content in light of goals set forth by the National Science Teacher's Association Project Synthesis. Examines the history of textbook change over two decades in comparison to CHEM Study 1963. Summarizes major features of texts that promote memorization at the expense of understanding. (JM)

Presented is a compilation of papers focusing on new questions and new directions for research in science education. Papers are grouped into one of three related fields of research: (1) analysis of curriculum materials, especially science textbooks; (2) investigations of science understandings of students and experts; and (3) investigations of the…