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Experimental Design Ttb

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    Experimental Design Ttb Experimental Design Ttb Presentation Transcript

    • Experimental Design Tiny Transfer Book Directions
    • Front Cover 1. Add a border Experimental Design Tiny Transfer Book 2. Title your book 3. Your Name Terri Johnson 9/15/09 4. Date
    • Page 1 Not Testable Question ice the bord ers. .. Definition: Question you are trying to answer in an experiment. Good Formats: What is the effect of the IV on the DV? How does changing the IV affect the DV? reasing... ing/dec y increas Can a lso sa
    • Page 2 Hypothesis Definition: A prediction of how changing the Don’t write “IV” or Independent Variable will “DV”, you actually write affect the Dependent Variable. out what the variables are you are testing.. Good Format: If the IV is increased/decreased, then the DV will increase/ decrease/stay the same because... ___________
    • Page 3 Independent Variable The Input. What you change or manipulate in an experiment. Levels of the IV These are how you change or manipulate the IV Examples IV: Levels of IV Brands of Tissue: Kleenex, Puffs, Always Save Height of hill: 1m, 2m, 3m, 4m Number of Washers: 2, 4, 6, 8 Type of Liquid: water, vinegar, rubbing alcohol, milk
    • Page 4 Dependent Variable The Output in an experiment. It happens as a result of what you changed as the IV. What you measure. Will generally have a unit of measurement. (as in grams, meters, m/s, liters...)
    • Page 5 Constants Constants are all the things (variables) that you do NOT change in an experiment. Constants, you keep the same during each test. Control The control is used to compare and see if changing the IV actually matters. Generally the least changed level of the Independent Variable.
    • Page 6 Data Table Defn: Chart used to Organize n cy: l nde hoo information. Te sc al ntr ddl e Ce mi e of ni n Example a r su e me Me y th a ien ce. l sc ual Title: The Effect of Independent Variable on Dependent Variable us IV (unit) DV (unit) 1 2 3 Mean Levels of IV go here
    • Page 7 Conclusion • Claim What relationships you discovered when doing an experiment. •Evidence List evidence in sentence form that supports your claim. •Reasoning The scientific reason why your claim happened.
    • Screencast.com • September 09, Bandwidth is about maxed out. Starting in October, can see this presi as a screencast in 2 parts... • Part 1 • Part 2
    • • Image: 'Going off the Depend' by jackace at www.flickr.com/photos/ 91568486@N00/454478654 • Image: 'Clinic (bet it's Singapore Sling).' by gak at www.flickr.com/ photos/18095953@N00/504038251