| 单词 | an independent variable |
| 释义 | independent variableDefinition A factor or phenomenon that causes or influences another associated factor or phenomenon called a dependent variable. For example, income is an independent variable because it causes and influences another variable consumption. In a mathematical equation or model, the independent variable is the variable whose value is given. In an experiment, it is the controlled condition (that is allowed to change in a systematic manner) whose effect on the behavior of a dependent variable is studied. Also called controlled variable, explanatory variable, or predictor variable. Use 'independent variable' in a SentenceWorking in a garden, the amount of compost used in an area is a controlled or independent variable, and the resulting plant growth is an outcome or dependent variable. In an experiment you had better control all the independent variable as best you can otherwise your experiment might produce confusing and unintended results. The independent variable in a psychology research project is frequently found to have effects not originally expected by the researchers. |
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