Describes a study examining the effect of hand-held calculators on student achievement in college developmental mathematics classes. Finds no significant differences between control and treatment groups, indicating that students who used calculators scored slightly lower on posttests but achieved higher final course grades as a group than control…

Describes a dissertation model used in teaching a critical-thinking course for developmental freshmen. Students learned how to create knowledge by linking the five-chapter model with the elements and standards of critical thinking, and by writing and defending their own 10-page dissertations. Discusses course strengths and weaknesses. Contains 13…

Contends that student writing compositions and instructor feedback offer special benefits when rendered orally via audiocassette. Promotes a "reader-based" writing sensibility in students, who read their work onto cassette tape, and allows greater flexibility in grading and critiquing for instructors, who return the tape with detailed comments.…