A control variable (or scientific constant) in scientific experimentation is an experimental element which is constant (controlled) and unchanged throughout the course of the investigation. Control variables could strongly influence experimental results were they not held constant during the experiment in order to test the relative relationship of the dependent variable (DV) and independent variable (IV). The control variables themselves are not of primary interest to the experimenter.
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| - Variable de control (ca)
- Control variable (en)
- 통제변인 (ko)
- 控制變數 (zh)
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| - El terme variable de control té diferents significats depenent de l'àrea on sigui usat. La variable de control és alguna cosa que és constant i roman sense canvis durant un experiment.Concretament, en un , una variable de control és un factor controlat per l'investigador que no pot ser canviat durant el seu decurs perquè afecta les variables dependents i, en conseqüència, el resultat final de l'experiment. Per exemple, en la verificació experimental de la llei de Boyle, la temperatura s'ha de mantenir constant. (ca)
- A control variable (or scientific constant) in scientific experimentation is an experimental element which is constant (controlled) and unchanged throughout the course of the investigation. Control variables could strongly influence experimental results were they not held constant during the experiment in order to test the relative relationship of the dependent variable (DV) and independent variable (IV). The control variables themselves are not of primary interest to the experimenter. (en)
- 통제변인(統制變因, 영어: control variable)은 실험에서 일정하게 유지시키는 잠재적인 독립변인을 뜻한다. 이 변인(variable)은 조작 변인에 대해서 고정 변인이다. 이러한 통제변인이 잘 고정되고 잘 확인될수록 조작변인에의한 결과치는 유효한 데이터로서 받아들여질수있다. (ko)
- 科學實驗中的控制變數（英語：Control variable，或稱控制變因）或科學常量（英語：scientific constant）是整個研究過程中恆定和不變的實驗要素。控制變數強烈影響實驗結果，並且在實驗過程中保持不變，以測試從屬和獨立變量的相對關係。控制變數本身不是研究者的主要興趣。 (zh)
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| - El terme variable de control té diferents significats depenent de l'àrea on sigui usat. La variable de control és alguna cosa que és constant i roman sense canvis durant un experiment.Concretament, en un , una variable de control és un factor controlat per l'investigador que no pot ser canviat durant el seu decurs perquè afecta les variables dependents i, en conseqüència, el resultat final de l'experiment. Per exemple, en la verificació experimental de la llei de Boyle, la temperatura s'ha de mantenir constant. (ca)
- A control variable (or scientific constant) in scientific experimentation is an experimental element which is constant (controlled) and unchanged throughout the course of the investigation. Control variables could strongly influence experimental results were they not held constant during the experiment in order to test the relative relationship of the dependent variable (DV) and independent variable (IV). The control variables themselves are not of primary interest to the experimenter. (en)
- 통제변인(統制變因, 영어: control variable)은 실험에서 일정하게 유지시키는 잠재적인 독립변인을 뜻한다. 이 변인(variable)은 조작 변인에 대해서 고정 변인이다. 이러한 통제변인이 잘 고정되고 잘 확인될수록 조작변인에의한 결과치는 유효한 데이터로서 받아들여질수있다. (ko)
- 科學實驗中的控制變數（英語：Control variable，或稱控制變因）或科學常量（英語：scientific constant）是整個研究過程中恆定和不變的實驗要素。控制變數強烈影響實驗結果，並且在實驗過程中保持不變，以測試從屬和獨立變量的相對關係。控制變數本身不是研究者的主要興趣。 (zh)
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