Which teaching aid should a school nurse use to effectively demonstrate testicular self-examination to adolescent clients?

Using a plastic model of testicles is the most effective teaching aid for demonstrating testicular self-examination to adolescent clients. This option provides a tangible, visual, and hands-on approach that helps adolescents understand the anatomy and technique involved in the self-examination process. By using a model, the nurse can directly demonstrate the proper method for examining the testicles, including how to identify any abnormalities. This interactive method caters to different learning styles, particularly kinesthetic learners, who benefit from physical engagement.

Written instructions may not sufficiently convey the necessary technique, as they lack the visual representation and practical demonstration that a model provides. Audio instructions also fall short for similar reasons, as auditory information alone can be less effective for comprehension of a physical task that relies heavily on visual and tactile feedback. Illustrated pamphlets may provide some visual guidance, but without an interactive element or the ability to see and feel the anatomy, this method is less effective than using a model for this specific educational context.