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Definition
| An experiment is often based on an observation. The purpose of an experiment is often stated as a research question. |
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Definition
| an educated guess about how changing the independent variable will affect the dependent variable. It’s a prediction, based on research and observations. |
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Definition
| characteristics in an experiment that change or could be changed |
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Definition
| variables you change on purpose; also called the manipulated variable. |
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Term
| Levels of the Independent Variable |
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Definition
| the way(s) in which the independent variable is changed by the experimenter; these are the independent variables being tested. |
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Definition
| variable that responds to a change in the independent variable; also called the responding variable. It is what may be affected by the independent variable. |
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| Controlled Experiment (control) |
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Definition
| it’s a standard for comparison in an experiment. It’s the unchanged or “normal” condition in an experiment. |
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Definition
| characteristics in an experiment that stay the same in all trials and all independent variable levels. |
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Definition
| the number of times an experiment is repeated for each level, or value, of the independent variable. The more trials, the more reliable your results. |
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Term
| Levels of the Independent Variable |
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Definition
| the way(s) in which the independent variable is changed by the experimenter; these are the independent variables being tested. |
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