Final answer:
PowerPoint slide shows do not compensate for weak content, meaning they are not a substitute for substantial, high-quality information in a presentation. However, they should be simple, proofread, and rehearsed to support the presented material effectively.
Step-by-step explanation:
The question concerns the creation and presentation of slide shows using software like PowerPoint. When deciding whether to use a traditional written document or another medium like a slide deck, it's important to consider the context and purpose of the presentation. PowerPoint slide shows, for example, should aim to enhance the speaker's message, not detract from it. Therefore, the statement about what PowerPoint slide shows do not need to do is as follows:
PowerPoint slide shows do not compensate for weak content. It is a common misconception that flashy presentations can make up for a lack of substance; however, the quality of the information being presented is always paramount. Slide shows should be supportive visual tools that complement and clarify the speaker's points rather than replacing solid content.
In contrast, PowerPoint presentations do need to be simple so as not to overwhelm the audience. They also need to be proofread to ensure there are no errors that could distract or confuse, and they need to be rehearsed to achieve a smooth delivery during the actual presentation.