https://padlet.com/djtur727/cgcq65pz9csv By Desiree Turner and Gabriella Farinacci en-us 2018-04-12 15:10:29 UTC 2018-04-18 15:46:25 UTC hello@padlet.com djtur727 https://padlet.com/djtur727/cgcq65pz9csv/wish/251197238 Does drinking coffee effect students’ test taking ability?]]> 2018-04-12 15:14:03 UTC https://padlet.com/djtur727/cgcq65pz9csv/wish/251197238 djtur727 https://padlet.com/djtur727/cgcq65pz9csv/wish/251200623 300 students from age fourteen to eighteen are selected for this study, 140 male and 160 female.]]> 2018-04-12 15:19:25 UTC https://padlet.com/djtur727/cgcq65pz9csv/wish/251200623 gtfar511 https://padlet.com/djtur727/cgcq65pz9csv/wish/251201766 Out of the 300 participants we randomly selected 75 to be put into group A, B, C or D. Group A would be given decaf coffee. Group B would be given half-caffeinated coffee. Group C would be given regular caffeinated coffee. Group D will be given water. We give each group a test to determine whether caffeine affects test taking ability.]]> 2018-04-12 15:21:19 UTC https://padlet.com/djtur727/cgcq65pz9csv/wish/251201766 djtur727 https://padlet.com/djtur727/cgcq65pz9csv/wish/251202088 We had students sign up for this experiment at a local high school, and then randomly selected these students to be in groups A, B, C, or D which would determine which treatment they would get. They would get a fifty dollar gift card to a coffee place for participating.]]> 2018-04-12 15:21:48 UTC https://padlet.com/djtur727/cgcq65pz9csv/wish/251202088 djtur727 https://padlet.com/djtur727/cgcq65pz9csv/wish/251207020 The explanatory variable is whether they receive water, decaf, half caffeinated, or regular coffee.]]> 2018-04-12 15:30:15 UTC https://padlet.com/djtur727/cgcq65pz9csv/wish/251207020 djtur727 https://padlet.com/djtur727/cgcq65pz9csv/wish/251208984 How caffeine intake effects test scores]]> 2018-04-12 15:33:40 UTC https://padlet.com/djtur727/cgcq65pz9csv/wish/251208984 djtur727 https://padlet.com/djtur727/cgcq65pz9csv/wish/251211736 Gender, age of the students
The students will be randomly selected for each group so there should be a variety of people.]]> 2018-04-12 15:38:25 UTC https://padlet.com/djtur727/cgcq65pz9csv/wish/251211736 djtur727 https://padlet.com/djtur727/cgcq65pz9csv/wish/251215038 Group D is given water instead of coffee.]]> 2018-04-12 15:44:07 UTC https://padlet.com/djtur727/cgcq65pz9csv/wish/251215038 djtur727 https://padlet.com/djtur727/cgcq65pz9csv/wish/251216206 The subjects do not know what they will be getting, but unfortunately it is kind of obvious what drink they get as soon as they receive it, especially if they recieve water in Group D.]]> 2018-04-12 15:46:04 UTC https://padlet.com/djtur727/cgcq65pz9csv/wish/251216206 djtur727 https://padlet.com/djtur727/cgcq65pz9csv/wish/252177514 We would have every group switch treatments until they had all of them to make sure that the results were accurate.]]> 2018-04-16 14:49:33 UTC https://padlet.com/djtur727/cgcq65pz9csv/wish/252177514 djtur727 https://padlet.com/djtur727/cgcq65pz9csv/wish/252181077 My sample size is 300 and my margin of error is 5.7%.]]> 2018-04-16 14:55:45 UTC https://padlet.com/djtur727/cgcq65pz9csv/wish/252181077 djtur727 https://padlet.com/djtur727/cgcq65pz9csv/wish/252182990 I would repeat the experiment over again to make it less likely that lurking variables are affecting the experiment and to make sure that the results are correct.]]> 2018-04-16 14:59:12 UTC https://padlet.com/djtur727/cgcq65pz9csv/wish/252182990 djtur727 https://padlet.com/djtur727/cgcq65pz9csv/wish/252222329 Group A, who had the regular coffee, got the best test score results, and their average score was 96%, which is eight percent higher than those in Group B, who had half caffeinated coffee, and ten percent higher than groups C and D who had decaf and water. The results were the almost exactly the same when repeated. Therefore, caffeine has a positive effect on test taking ability.]]> 2018-04-16 16:11:16 UTC https://padlet.com/djtur727/cgcq65pz9csv/wish/252222329 djtur727 https://padlet.com/djtur727/cgcq65pz9csv/wish/252226102 The results are statistically significant because test takers with regular coffee scored ten percent higher than those who had no caffeine and eight percent higher than those who had half caffeinated coffee. Since we took a random sample of people and put them in groups, the results might not be as large as real results.]]> 2018-04-16 16:19:05 UTC https://padlet.com/djtur727/cgcq65pz9csv/wish/252226102 djtur727 https://padlet.com/djtur727/cgcq65pz9csv/wish/252228377 Regular Coffee: $225
Half Caf:$215
Decaf:$212
Water: $80
Team Salary: (2 people) $150

]]> 2018-04-16 16:24:04 UTC https://padlet.com/djtur727/cgcq65pz9csv/wish/252228377 djtur727 https://padlet.com/djtur727/cgcq65pz9csv/wish/252231127 After this study, people realized that coffee would help them on tests in the future. This experiment lost our team money because of of the cost of the supplies.]]> 2018-04-16 16:29:57 UTC https://padlet.com/djtur727/cgcq65pz9csv/wish/252231127