Does coffee or some other form of stimulation rcally allow a person suffering fr

Question

Does coffee or some other form of stimulation rcally allow a person suffering from alcohol intoxication to "sober up"? A sample of 44 healthy male college students participated in the experiment. Each student was asked to memorize a list of 40 words. The students were then randomly assigned to one of four different "drinking" groups (11 per group). Students in three of the groups were cach given two alcoholic beverages to drink prior to performing a word completion task. Group A received only the alcoholic drinks. Group B had caffeine powder dissolved in their drinks. Group C received a monctary award for correct responses on the word completion task. Group D were told that they would receive alcohol, but instead received two drinks containing a carbonated beverage (with a few drops of alcohol on the surface to provide an alcoholic scent). After consuming their drinks and resting for 25 minutes, the students performed the word completion task and their scores are reported below. Corporation 51 58 52 47 61 00 32 53 50 46 34 .50 30 47 36 39 .22 20 21 15 10 02 .16 .1-29-14 ·18-35 31 ·16-04-25 58 12 62 43 26 50 44 20 42 43 40 The following analysis of variance table was constructed for this data. Fill in the blanks. Source of Variation Treatment Error Total (7 points) df MS 0.9506 1.2317 What is the response variable? What is the factor for this experiment? How many treatments are there? What is the experimental unit for this experiment?

Explanation / Answer

Softwares like SPSS, R, or SAS is required to solve this problem.

Bonferrroni is a Post-Hoc test which compares pair wise. Using repeated measures test, we can find the significant value. However, we cannot find between which pair the significance exists. For this purpose, we use the Post-Hoc tests. If significant value of any pair is less than 0.05, we can identify between which pair the significant difference occurs.

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