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: 
This study represents a _____-subjects design.
Definitions:
Q23: As the observed and expected frequencies become
Q66: Due to the role of sampling error,nonequivalent
Q70: The power of the chi-square test is
Q89: Eta-squared indexes the _ of the relationship
Q94: The independent samples t test is reasonably
Q96: Although the correlated t test is usually
Q103: The source of variability that reflects the
Q116: The concept of probabilities is important to
Q130: The mean of a sampling distribution of
Q141: Eta<sup>2</sup> is<br>A)the proportion of unexplained variance relative