Background: Trigonometry is an area of mathematics that students believe to be particularly difficult and abstract compared with the other subjects of mathematics. Trigonometry is often introduced early in year 8 with most textbooks traditionally starting with naming sides of right-angled triangles. Students need to see and understand why their…

This article describes the use of African American English (AAE) in the written and oral language of African American adolescents who struggle with writing. Written and oral language samples of 22 African American 10th-grade students were transcribed, analyzed, and coded for AAE, grammatical errors, spelling errors, and punctuation errors. Four…

This retrospective case study assessed the influence of item non-response error on subsequent response to questionnaire items assessing adolescent alcohol and marijuana use. Post-hoc analyses were conducted on survey results obtained from 4,371 7th to 12th grade students in Ohio in 2005. A skip pattern design in a conventional questionnaire…

This study was an expanded replication of an earlier endeavor (Shermis, Burstein, & Bliss, 2004) to document the writing outcomes associated with automated essay scoring. The focus of the current study was on determining whether exposure to multiple writing prompts facilitated writing production variables (Essay Score, Essay Length, and Number…

Research studies have shown that students encounter difficulties in transitioning from arithmetic to algebra. Errors made by high school students were analyzed for patterns and their causes. The origins of errors were: intuitive assumptions, failure to understand the syntax of algebra, analogies with other familiar symbol systems such as the…

The mission of this review is to appraise the new draft NAEP science framework and to determine whether it is up to snuff. This is an evaluation of the September 30, 2005, draft document, Science Framework for the 2009 National Assessment of Educational Progress (Framework), developed for the National Assessment Governing Board. The criteria is…

The chemical content knowledge of secondary science teachers is seldom measured directly in developed countries as there are practical, ethical and political problems involved that would be likely to be insuperable. In Papua New Guinea (PNG), the author assisted in some of the work involved in the second IEA Science Study (SISS), where the PNG…