People encounter a number of formal and informal informative presentations throughout their day, and these presentations have several consequences. First, informative presentations provide people with knowledge. When others share facts or circumstances associated with some topic, our comprehension, awareness or familiarity is increased. The speaker imparts information, and this information is turned into knowledge. A music teacher describes the difference between a note and chord as an introduction to music. When issuing a warning to a teenager, a police officer explains the nature of the moving violation. A travel agent clarifies for customers the policies for airline ticket refunds. Participants at a cultural fair are enlightened by a shaman explaining her spiritual practices. Knowledge helps us to understand the world around us, enables us to make connections, and helps us to predict the future.
All men by nature desire knowledge. ~ Aristotle
Second, informative presentations shape our perceptions
. These presentations can affect how people see a subject by bringing it to light, or may influence what is seen as important by virtue of directing attention to the subject (Osborn & Osborn, 1991). Information helps us to interpret our experiences, it shapes our values and beliefs, it may alter our self-concept, and it gives meaning to situations. Imagine you meet your new boss, and she is very curt and pre-occupied during the first staff meeting. You may at first perceive her as being rude, unless later you find out that just before your meeting with her she learned that her father had been hospitalized with a stroke. Learning this new information allowed you to see the situation from a different perspective. In the same way, informative presentations enable us to get a sense of “the big picture” and improve our ability to think and evaluate.
Some informative presentations may be aimed at helping listeners understand the number, variety, and quality of alternatives available to them (Hogan et al., 2010). Consequently, informative presentations also serve to articulate alternatives
. A car sales associate might explain to you the features of one car in comparison to another car in order to help you differentiate between the models. A doctor might explain to your grandmother her treatment options for arthritis. A fitness trainer may demonstrate to you several types of exercises to help you strengthen your abdominal muscles and reduce your waistline. If you go to a temporary employment agency, a staff member may provide you will a range of job options that fit your qualifications. Successful informative presentations provide information which improves listeners’ ability to make wise decisions, because they understand all of their options (Jaffe, 1998).
Finally, informative presentations enhance our ability to survive and evolve
. Our existence and safety depend upon the successful communication of facts and knowledge. An informative speech “helps keep countries developing, communicates valuable and useful information in thousands of areas, and continues to change, improve or upgrade the lives of audiences” (Wilbur, 2000, p. 99). For thousands of years, cultural and technical knowledge was passed from generation to generation orally. Even today with the presence of the internet, you are still likely to get a good amount of information verbally. We have all seen “how to” YouTube videos, and although these have a significant visual components, the “experts” still have to give a verbal explanation. Through meetings, presentations and face-to-face interactions, we gain information about how to perform and improve in our jobs. To keep our children safe, we don’t give them an instruction manual, we sit down with them and explain things. All of the knowledge we accumulate while we live will be passed down to (hopefully) improve on the lives of those who come after us. Much of this information will be passed down in the form of a presentation.
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