Multiple Choice
A biopsychologist is interested in studying the effects of marijuana on cognitive skills by studying a group of 7 rats.He puts each rat in a maze and measures the time it takes the rat (in minutes) to find the cheese at the end of the maze.He then puts a mask on the rat and has it inhale marijuana smoke for 5 seconds.He then puts the rat back in the maze,and records its time to reach the cheese.Twenty minutes later he puts the rat back in the maze to test for lasting effects of the drug.The tables below summarize the data and part of the data analysis: 
What is the value for the F ratio?
A) 3.62
B) 16.62
C) 4.59
D) 139.81
Correct Answer:
Verified
Correct Answer:
Verified
Q118: In a one-way repeated measures analysis of
Q119: The F ratio for a one-way repeated
Q120: You carried out a study where you
Q121: ÓX<sup>2</sup> = 704 (ÓX)<sup>2 </sup>= 8464 ÓT<sub>j</sub><sup>2
Q122: The F test is NOT roust to
Q124: You carried out a study where you
Q125: In a one-way repeated measures ANOVA,the total
Q126: In a repeated measures design,the sum of
Q127: The mean square error in the repeated
Q128: What does the mean square subjects contribute