What is your F ratio?
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: 5.94
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Which of the following would be considered a serious game?
a. on a computer, use virtual flashcards that teach about Nazi Germany, Battle of the Bulge, and the Holocaust b. on a computer, design an amusement park and learn about money, accounting, and prediction with statistics c. with a game console, play a first-person shooter game where the goal is to kill the enemy d. out on the playground, play dodge ball
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EXCEPT: a. finding opportunities to reinforce socially appropriate behaviors or “catching” the student being good. b. providing a quiet, safe place within the classroom where a student can “chill out” when feeling stressed or upset. c. using a contingent observation where the student is required to observe an action from a little distance without being allowed to participate for a set amount of time. d. using a precorrection system in which a functional assessment and advanced planning counteract predictable problematic behaviors.
In the ______, group members falsely believe that everyone supports a decision.
A. Abilene paradox B. illusion of unanimity C. Goleta effect D. Golem effect
Although test anxiety does affect some students' performance on exams, a bigger problem for most students is
a. lack of preparation. b. unfamiliarity with exam formats. c. lack of time. d. poor luck when guessing.