(Answered) A study is conducted to determine if time of day has any

Statistics

A study is conducted to determine if time of day has any effect on test grades. An introductorypsychology class is selected for the study, because it has a standard curriculum taught acrossmany sections. Two classes are selected for each time period: 8:00 AM, 1:00 PM, and 5:30PM. Out of the total pool of around 40 students for each time period, 15 students are selected atrandom, for a total of 45. The test is administered to all students, and the test results for the study subjects are placed in SPSS. We want to know if there is a statistical difference between these time periods. What test is appropriate?

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