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QUESTION #5
(20 marks)
A cognitive psychologist wanted to determine the effect of alcohol on the time to complete a memory task compared to doing the same task after taking amphetamines. A placebo condition was also included as a baseline. Four different individuals were tested under each of the three conditions. The results are presented in Table 2 below. Using an alpha = .05 and showing all the steps of hypothesis testing, determine whether there is a significant difference between the three conditions.
Table 2. Response times for a memory task