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Vocabulary

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Term
Definition
Hypothesis   An explanation based on observed facts or an idea of how things work.  
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Scientific Method   A series of 5 or 6 steps that scientists follow to test ideas.  
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Evidence   Information and facts that help prove something.  
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Observation   Observable facts.  
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Inferences   Conclusion based on observations.  
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Ethics   The progress that applies issues of right and wrong to people and their actions.  
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Trade-off   Something given up in selecting one alternative over another.  
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Clinical Trial   A medical study that tests the safety and effectiveness of a drug or treatment in people  
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Control   Part of an experiment that is not being tested and is used for comparison.(receives placebo)  
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Sample Size   The number of subjects in an experiment. (larger the better)  
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Placebo   A substance which contains no medicine, but which the receiver thinks it's real.  
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Informed Consent   Agreement by a patient to participate in a experiment understanding the risks.  
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Placebo Effect   The response of a patients to a treatment even though it has no effective ingredients.  
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Variables   Things in a experiment that can be changed or vary.  
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Reproduce   Capable of being recreated or repeated.  
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