A researcher records the time (in seconds) it takes 20 students to complete a 100-yard dash after receiving poor,neutral,or positive feedback regarding their athletic ability.The same participants were observed in each group.If 
= 152 and 
= 12,then what is the decision for a one-way within-subjects ANOVA at a .05 level of significance?
Definitions:
Populations
In statistics, this term refers to the entire pool from which a statistical sample is drawn and is the subject of a study.
Caffeinated Beverages
Drinks that contain caffeine, a stimulant that can affect the central nervous system.
Wilcoxon Signed Rank Test
A non-parametric statistical test used to compare two related samples, testing the null hypothesis that their population mean ranks differ.
Null Hypothesis
A statement used in statistics that proposes there is no significant difference or effect, serving as the assumption to be tested.
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