control variable

(sciences) A factor that is held constant in a series of experiments in which other factors are varied

Japanese Meaning

実験において、他の変数が変化する際に一定に保たれる要因（変数）

To ensure valid results, the researchers kept the control variable constant throughout all trials.

有効な結果を得るために、研究者たちはすべての試行を通して制御変数を一定に保った。

Sense（1）

(sciences) A factor that is held constant in a series of experiments in which other factors are varied

control variables

（ plural ）