can enhance clarity, interest, and retention
can address multiple learning styles
can illustrate complicated pictorial, statistical, or conceptual material
can alleviate public speaking fear
can make logical structure of arguments more transparent
can enhance comprehensibility of nonnative speakers
can reinforce a message (two channels better than one)
lends authority to speaker (research shows that animated bar graphs on PP result in positive speaker evaluation) (Parker, 2001) |
bullet-point templates can lead to staccato summaries
rigid structure can alienate audiences (no room to digress)
dependence on technology
not suitable for certain types of presentations (commencement speeches, poetry, etc.) and detailed processes (e.g., fatal Columbia space shuttle mission was partially due to use of PP instead of detailed technical report) (Schwartz, 2003) |