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 correct interpretation of the eta-squared?
Definitions:
Frequency Rating
A measurement of how often something occurs within a specified period.
Graphic Rating Scale
A method for assessing performance that involves marking an individual's level of achievement along a linear scale.
360-degree Feedback
A performance appraisal method where employees receive confidential, anonymous feedback from the people who work around them, including peers, managers, and direct reports.
Perceptual Errors
Mistakes in judgment or interpretation made due to the subjective nature of perception.
Q47: Which of the following is the appropriate
Q51: Two major types of nonparametric tests are<br>A)rank
Q72: When the sample sizes are the same
Q79: Similar to the analysis of a Pearson
Q86: Which of the following nonparametric tests involves
Q88: The nature of the relationship between two
Q94: The recommended strategy for determining the nature
Q111: The value of r<sup>2</sup> represents the proportion
Q112: Because the chi-square test is typically used
Q128: When the Professor tells the class the