Latent image processing is a method which reveals hidden ink when marked with a special pen. Using multiple-choice items with commercially available latent image transfers can provide immediate feedback on take-home quizzes. Students benefitted from formative evaluation and were challenged to search for alternative solutions and explain unexpected…

Suggested are ways that problem solving can be integrated into existing college courses. Modification of assignments, reduction of class examples, developing the structure of knowledge, finding time to teach process skills, and developing student awareness are discussed. A self-assessment form for students is included. (CW)