Jewel had carefully planned presentation aids for her speech on "Quilting." She thoroughly demonstrated how to sew together the squares by hand, which required her to concentrate her eye contact on the quilt.

What guideline for using presentation aids did Jewel violate?.

she focused on the presentation aid instead of the audience.

Explanation:

Based on the scenario being described within the question it can be said that the guideline that Jewel violated is that she focused on the presentation aid instead of the audience. When giving a presentation the speaker needs to always focus on the audience in order to visualize their reactions and make the audience feel as though they are important and relevant to the speech itself. By focusing on the quilt and not the audience, Jewel is violating this guideline.