Write this result in APA style.
To study the effects of common drugs on cognitive performance, a researcher randomly assigned college students to one of three conditions. One group of students was served two cans of beer, another group was served two cups of coffee, and the third group (the control group) was served two glasses of orange juice. Then each participant was given a test of logical reasoning and the number of errors was recorded.
Alcohol Caffeine Orange Juice/Control
15 9 6
20 8 4
10 10 10
12 13 11
13 12 6
Ans: A one-way between-subjects ANOVA revealed an overall effect of type of drug consumed on cognitive performance, F(2, 12) = 5.94, p < .05, ?p2 = .497. Tukey’s honestly significant difference (HSD) test showed that those who ingested alcohol (M = 14.00, SD = 3.81) performed worse than those who ingested no drug (M = 7.40, SD = 2.97), p < .05. However, performance was equivalent between those who ingested alcohol and those who ingested caffeine (M = 10.40, SD = 2.07), p > .05. There was also no statistically significant difference in performance between people who ingested caffeine and those who ingested no drug, p > .05.
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