Question 1
In scientific research, what is the result called when participants' expectations lead them to experience some change even though they received an empty, fake, or ineffectual treatment?
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experimenter bias◦
subject bias◦
the placebo effect◦
demand characteristicsQuestion 2
In terms of the scientific method, what are variables?
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factors that change unpredictably within a study◦
measures of variability within a study◦
measurable items that are controlled or observed in a study◦
factors that are affected by experimental manipulation