One-way_ANOVA

One-way_ANOVA - OnewayANOVA Question:...

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    One-way ANOVA
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    Question: Is daily light therapy effective in  reducing symptoms of Seasonal  Affective Disorder? What would be some of the elements of  a well-designed study to address this  question?
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    One-way ANOVA Limitations of t-tests t-tests can only examine differences  between 2 means ~ but often in  psychological research we want to know if  there are differences between 3+ sample  means One-way analysis of variance
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    One-way ANOVA Specific terminology: Independent variable = factor “factor” can have different  levels/conditions/groups, where k = # of levels for  that factor No name change for dependent variable Design can be either: Between-Subject  Within-Subjects
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    Logic of One-way ANOVA Used with experimental designs where you want to determine if a  significant difference exists between levels of a factor…. But… must 
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One-way_ANOVA - OnewayANOVA Question:...

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