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词汇 control variable
释义
control variable
noun [ C ] mathematics , social science specialized /kənˈtrəʊl ˌveə.ri.ə.bəl/ /kənˈtroʊl ˌver.i.ə.bəl/
控制变量
any factor (= fact or situation) that is kept constant (= the same) in a scientific study
We included a series of control variables that could affect a respondent's experiences. 我们包括了一系列可能影响受访者经历的控制变量。
The model contained three control variables and one interaction between them.
Compare: categorical variablecontinuous variabledependent variableexplanatory variableindependent variableoutcome variableresponse variable
    更多例句
  • Child age, gender, and ethnicity were examined as possible control variables.
  • A control variable cannot be the true cause of an observed deficit unless it is related to both exposure and outcome.
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