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The variable that you change each test. |
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The dependent variable is changed as a result of the indenpedent variable, it is also the variable that is measured. |
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The variable you don't change in an experiment. |
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Results and data given in words. |
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Results and data given in numbers. |
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- Observations - Hypothesis - Prediction - Test - Revised Hypothesis ( if possible) - Repeat (For more accurate results!) |
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An explanation of an observation. |
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Taking only one inference and making a statement out of it.
- Educated guess based on observations prior understanding and research - About an observant event - Able to be tested - Can measured - Data (reliable and repeatable) can support of disprove it. |
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Definition
If (independent variable) Then (Dependent Variable) |
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Why do we say disproved and not proven? |
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Because there might be more data or info that you are not aware of as science can change and a better explanation might become available. |
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Only variable you change... |
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Definition
The independent variable, all other variable must be kept the same so no bias is added to the results. Also so we know that the independent variable is the only thing that caused the changes in the results collected. |
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The point of comparison with the experimental group |
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What should a well designed experiment be? |
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It should produce the same result each time carried out. Known as reliability and repeatability. |
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Error with measuring devices, and a constant error that will happen each time. |
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Errors that don't happen each time, just a mistake you made. |
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The group that is told they are getting the independent variable when they are not. |
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When told you are getting the independent variable your body thinks it is as well and you might naturally feel better because of confidence. |
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