The beauty of the experimental design is that it effectively rules out confounding variables; acoustic isolation assures that the female can respond only to the song structure itself.

实验设计的美妙之处在于它有效地排除了混淆变量；声学隔离确保了雌性只能对鸣声结构本身做出反应。

youdao

Analyses were adjusted for confounding variables using logistic regression.

使用逻辑回归调整了混杂变量分析。

youdao

Identify possible biases and confounding variables, both during the design phase of the study and the interpretation of the results.

可以通过研究的设计步骤和结果的合理解释来鉴别可能的偏差和混杂的变量。

youdao

Dr Wilson and Dr Storm restricted their study to white, Protestant teenagers, in order to eliminate confounding variables.

ECONOMIST: Human evolution

This was despite nearly identical power outputs in all four tests and efforts to control for possible confounding variables, such as the time of day.

ECONOMIST: Exercise and company

By a useful (though hardly unexpected) coincidence, all the businessmen were male and all were white, so there were no confounding variables of race or sex.

ECONOMIST: Physiognomy and success: Face value | The