Variables that you dont manipulate to make sure that

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Variables that you don’t manipulate to make sure that only the change in the ________________ variable is having an effect on the _________________ variable These variables remain the same between both the experimental & control groups eg - make sure all subjects from both the experimental & control group receive the same nutritional requirements Diet Pill Example Example: Purpose: To see if a new diet pill works Group A receives the diet pill Group B receives a placebo Diet Pill Example Which group is the experimental group? Which group is the control group?
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Diet Pill Example Independent Variable - Dependent Variable - Name 4 Possible Control Variables - Should the participants know whether they have received the new diet pill or a placebo while they are being tested? Explain your answer Controlled Experiment Example What is the independent variable? What is the dependent variable? Name 4 possible control variables. Controlled Experiment Example Questions: Which group is the experimental group? Which group is the control group? Should the participants know whether they have received the new diet pill or a placebo while they are being tested? Explain your answer C. Types of Controlled Studies single-blind experiment the individual subjects do not know whether they are members of the _____________ or ____________ group Eliminate subjective ________ from the subjects C. Types of Controlled Studies Should the evaluator know which group has received the new drug or a placebo while he is evaluating the experiment? Double-blind Test neither the ______________ nor the _____________ know who belongs to the control group. Eliminate Subjective Bias from the ________________ and the ________________ Closure What is the difference between a control group and an experimental group? What is the advantage of a double-blind study?
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V. Metric System Questions How many centimeters are in one meter? How many centigrams are in one gram? How many meters are in one kilometer? How many liters are in one kiloliter? A. Metric System Based on a _______________ system (powers of ten). It simplifies calculations by using a set of _____________ which are added to the roots of the units (Ex. meter, gram, liter) kilometer kilogram kiloliter a kilo always means a ______ of the base unit Countries where the Metric System is the Official System of Measurement B. English System How many inches are in a foot?
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