Researchers wanted to assess the effect of low alcohol consumption on reaction time in seniors. Their belief
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The average response time increased by 19 milliseconds after the alcohol treatment. The researchers concluded that response times are significantly delayed even for low levels of alcohol consumption.
(a) What type of experimental design is this?
(b) What is the response variable in this experiment? Is it quantitative or qualitative?
(c) What is the treatment?
(d) What factors were controlled and set at a fixed level in this experiment?
(e) Can you think of any factors that may affect reaction to alcohol that were not controlled?
(f ) Why do you think the researchers used a drink that had the scent and taste of vodka to serve as the treatment for a baseline measure?
(g) What was the conclusion of the study? To whom does this conclusion apply?
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