Who,after learning a painful personal lesson about the effects of unintended suggestion in experiments,came to refer to such suggestions as "the cholera of psychology"?

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Alfred Binet, after recognizing the significant impact that unintended suggestions could have on experimental outcomes, notably in his psychological research, referred to such suggestions as "the cholera of psychology." This realization highlighted the importance of controlling for such variables to ensure the integrity of psychological experiments.

Who,after Learning a Painful Personal Lesson About the Effects of Unintended