Dr. Bjork is interested in the effects of anxiety on test-taking. She knows from previous literature that individuals with diagnosed anxiety disorders tend to perform poorly on tests. She hypothesizes that individuals with anxiety disorders will perform better on tests when given extra time, but needs to have a specific length of time to recommend that these students receive. Accordingly, she designs an experiment in which she recruits 75 Psychology students diagnosed with at least one anxiety disorder and gives them a standardized test on Psychology material. 25 students are given one hour to complete the test, 25 students are given 1.5 hours to complete the test, and 25 students are given 2 hours to complete the test. She then compares the average exam scores between groups.Which statistical test should the researchers use to analyze their data?Independent-Sam
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