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Experimental Design--vocab and practice problems

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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PROBLEM (DEFINITION)
ANSWER (TERM)
show CONSTANTS/CONTROLLED VARIABLES  
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A prediction about the outcome of the experiment   show
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the factor that is changed on purpose by the experimenter; there can only be one of these in an experiment.   show
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is the factor that responds or reacts to the independent variable; the factors that you measure or observe as data   show
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show IV: weight DV: advantage when wrestling  
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show YOUR HYPOTHESIS MAY LOOK SOMETHING LIKE: *If the height of the backboard is taller than the standard then the number of shots will be less than when using standard.  
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Explain the importance of having constants (controlled variables) when testing a hypothesis.   show
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If the problem is: How does the height of the basketball net effect the number of shots scored? Name some constants.   show
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If the problem is: How does the height of the basketball net effect the number of shots scored? Name at least 3 variable levels that should be tested and identify the control.   show
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show Test it at least 3 times (I would suggest a minimum of 10). The more times you test a hypothesis, the more reliable your results.  
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If the problem is: How does the height of the basketball net effect the number of shots scored? What is the IV and DV?   show
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If the problem is: Is the height of a plant effected by the amount of salt in water? What is the IV and DV?   show
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show IV: amount of carbon dioxide in atmosphere DV: degree of global warming  
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show *type of plant *amount of water *amount of sunlight *type of soil  
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show YOUR HYPOTHESIS MAY LOOK LIKE THIS: If the amount of salt in the water is 5% or greater then the height of the plant will be at least 10% shorter than the control.  
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show Examples: How does the weather affect my cat's mood?, Is my cat's mood affected by the weather?, What is the relationship between my cat's mood and the day's weather?, Can the weather affect my cat's mood?  
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show the amount of sugar that gets dissolved  
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Created by: jsolari
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