What are the means being compared in this analysis?
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: Alcohol = 14.0; Caffeine = 10.40; Orange Juice/Control = 7.4
You might also like to view...
A formative assessment is used to make instructional decisions
a. True b. False
How might science fiction serve as an opportunity to discuss current problems? Support your answer with a work of science fiction. Include how children might be inspired to explore areas of science
What will be an ideal response?
Which of the following note-taking systems is best for lectures that are well-organized and follow a logical chain of ideas?
A. Concept mapping B. The Cornell Method C. Shorthand with abbreviations D. Outlining
Which inductive generalization is stronger?
A. ?Our university's women's basketball team has won its last three games. Thus, it seems obvious that the team will repeat as champions this year. B. ?Our university's women's basketball team has won its last six games. Thus, it seems obvious that the team will repeat as champions this year.