" 'Tis all a great show, the world that we're in--None can tell when 'twas finished--None saw it begin. "
-- Jones Very
Unit(s): Communication Process,Reasoning Skills
Purpose:
The purpose of this activity is to introduce students to the characteristics of facts and inferences and to stimulate class discussion of the differences between fact and inference. It also illustrates the necessity of careful reading.
Objectives:
Students will understand the differences between fact, inference and judgment.
Students will examine assumptions and their significance in making inferences.
Materials:
- Copy of Fact Quiz
- Hand-out on Statement of Fact and Statement of Inference
- Copies of the story "The Robber" and list of statements
Procedure:
- Give students "Fact Quiz" orally and discuss answers according to primary and secondary sources.
- Hand out the material over the differences between fact and inferences (optional, may write on over-head or board) and discuss in class.
- Divide the class into groups of 4 or 5 students to work on "fact/inference" activity )You may wish to have students work individually).
- Hand out the story, "The Robber," and list of statements and instruct students to mark each statement as true, false, or questionable (not definitely true or false) on the basis of the statements in the story. It is assumed that the incidents in the story are correctly reported.
- When the task is completed the entire class goes over the answers, deciding which are correct.
- As a homework assignment, assign the "Market Basket Game," Students are to write a paragraph or two describing a shopper, based on the contents of his or her grocery cart. Paragraphs are discussed in class the following day, considering the degree of probability of various inferences.
The cart contains the following items: six TV dinners, two bags of potato chips, two bottles of cream soda, one six-pack of beer, three boxes of cookies, two loaves of bread, one large jar of peanut butter, six candy bars, three frozen pies, two cans of pork and beans, one frozen salad, one quart of ice cream, five cans of chow mein, one tin of aspirin, six cans of diet cola and one copy of TV Guide.
Questions and answers taken from Tom Burnam's book,
The Dictionary of Misinformation(Ballantine Books, 1975)
Misinformation or the lack of all the facts can result in inaccurate inferences:
I tell them the story of Charles Drew, a Black physician who invented a new way to handle blood transfusions, thus providing a tool that would save many lives, Black and White. In 1950 Dr. Drew was in a car wreck in North Carolina. He was taken to a whites-only hospital in Burlington, North Carolina where he died, unadmitted. The story got out that he was allowed to bleed to death outside the hospital because of his race.
The story appeared in The New York Times and also in Time magazine. It was mentioned on a tv episode of MASH. Civil Rights activists repeated the ironical story in speeches all over the country. But historian Charles Wynes, University of Georgia, researched the incident. Three outstanding physicians had labored furiously to save Dr. Drew in the emergency room. But his vascular system was too badly damaged. But it is true they did not take time for the paperwork for "admission."
Made after observation or experience.
Confined to what one observes; cannot be made about the future.
Limited number possible.
High probability (not certainty--perception may be faulty).
Brings people together; furthers agreement.
Made anytime--before, during or after observation.
Goes beyond what one observes; may concern the past, the present, or the future.
Unlimited number possible.
Represents some degree of probability
Creates distance between people; likely to cause disagreement.
The businessman had just turned off the lights in the store when a man appeared and demanded money. The owner opened the cash register. The contents of the cash register were scooped up and the man sped away. A member of the police force was notified promptly.
Based on this story determine if the following statements are fact or inference.