Which one of the following statements about delivering an effective presentation is untrue?Audience analysis is the backbone of effective presentations because audience plays a pivotal role in influencing, among other things, the content, style and delivery of the presenter.More than adequate preparation it is the clarity of purpose that determines the success and effectiveness of any presentation.Audio visual aids should be used judiciously and sensibly in a presentation so that they serve the purpose of the presentation and not distract the audience.It is absolutely normal to feel some nervousness before delivering a presentation.

One of the statements about delivering an effective presentation is untrue. Let's analyze each statement to determine which one it is:

1. "Audience analysis is the backbone of effective presentations because the audience plays a pivotal role in influencing, among other things, the content, style, and delivery of the presenter." This statement is true. Audience analysis is indeed crucial in tailoring the presentation to meet the needs and expectations of the audience.

2. "More than adequate preparation, it is the clarity of purpose that determines the success and effectiveness of any presentation." This statement is also true. While preparation is important, having a clear purpose for the presentation is essential for it to be successful and effective.

3. "Audiovisual aids should be used judiciously and sensibly in a presentation so that they serve the purpose of the presentation and not distract the audience." This statement is true as well. The use of audiovisual aids should enhance the presentation and not divert the attention of the audience.

4. "It is absolutely normal to feel some nervousness before delivering a presentation." This statement is also true. It is common for individuals to experience nervousness before presenting, and it is considered normal.

Based on the analysis, all the statements are true, so none of them is untrue.