WJEC Design Technology Practice Exam

Adjustable ergonomic features are about tailoring a product to the user’s body. By letting people change things like height, reach, angles, or grip position, the item becomes comfortable and usable for individuals with different sizes, proportions, or abilities. This means controls are easier to reach, postures stay neutral, and fatigue or strain is reduced, so anyone can operate the product effectively. For example, a chair with height and backrest adjustments lets a user align the seat and spine to their own body, while adjustable handles or arms ensure a comfortable grip and precise control. Because of this adaptability, accessibility is widened rather than restricted. The other options imply no usability benefit, focus only on appearance, or limit who can use the product, which doesn’t reflect the real value of adjustable ergonomics.