The media role model was recently developed to frame how science faculty members can teach their students to write more effectively to lay audiences (14). An Opinion Editorial (Op-Ed) was introduced as a novel assignment for final-year physiology and pharmacology undergraduates. This second phase of this study, reported here, demonstrated the…

Examines three writing assignment variables--topic, purpose, and audience--to determine how writing prompts affect student performance in grades 7, 9, and 11, and in college freshmen. Finds these variables influenced writing quality at different grades in different ways; generally, specific purpose and topic cues produced better essays. (SR)