In plain English, what do these analyses tell us?
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: People make more errors/perform worse after ingesting alcohol than a nonalcoholic beverage
You might also like to view...
A teacher should avoid teaching content lessons on the first day of school because the students will probably be too nervous and excited to concentrate
Indicate whether the statement is true or false
When considering that public-schools derive their existence from a context of shared-ownership, who are the key stakeholders of public-schools?
a. administrators b. citizens c. federal governance d. public officials
A researcher joins a first-year teaching circle for 9 months to study how the group operates. This is an example of ______.
A. phenomenology B. ethnography C. grounded theory design D. netnography
Which one of the following variables is measured on an ordinal scale?
a. Class rank in high school b. Racial or ethnic group c. State of residence d. Personality test score