WATER 9 6 7 9 10 12 13 6 8 7 SODA 12 13 14 13 15 15 9 12 13 15 NON-ALCOHOLIC BEER 16 19 18 19 17 20 17 16 20 18 REGULAR BEER 17 18 16 19 20 19 17 16 17 18 A social psychologist conducted an experiment in which he gave participants (randomly divided in to different groups) either water, soda, beer, or non-alcoholic beer to drink (without telling the participants what they were drinking of course). He then observed how the participants interacted with each other, recording each person’s level of sociability on a 20-point scale, with higher scores indicating higher levels of sociability. The psychologist wants to know if the actual alcohol content or perceived alcohol content makes a difference in people’s willingness to interact socially with others. The data for this study are above. A). Conduct an appropriate ANOVA on these data. If you get a significant F-statistic, conduct a Tukey’s HSD post-hoc test, as well as produce a bar graph of the means. B). Write up the results you got in part (a) in APA style AND explain, in plain English, what those results say.
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