Basic experimental terminology
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| Control group | The group that experiences constant variables
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| Dependent variable | The observed variable that changes in response to the independent variable
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| Control | The subject which does not experience the tested factor
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| Experiment | A way to collect data or evidence that supports a hypothosis
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| Experiment group | The group which experiences a variable factor
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| Hypothosis | A suggested answer to a question
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| Independent variable | The variable which is deliberately changed
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| Procedure | A series of steps by which a desired result is accomplished
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| Reliability | A degree of stability when an experiment is completed under identical conditions
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| Sample size | Number of units to be studied
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| Scientific method | A way in which all observable phenomena is compared to and verified by data obtained through controlled experiment
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| Theory | When a hypothesis has been tested multiple times and the data seems to prove it
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| Validity | The extent to which a test measures what it purports to measure
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