Questions tagged [generalized-eta-squared]

12 questions
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Generalized eta squared

Partial eta-squared are very often used in psychological litterature. As underlined by some authors (e.g., Baguley, 2009; Bakeman, 2005; Olejnik & Algina, 2003), this standardized measure of effect size can be misleading when comparing it across…
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If the Pearson r is .1, is there a weak relationship between the two variables?

I thought the pearson-r is 0.1 is considered as a weak relationship but my instructor said sometimes it maybe strong relationship. I don't get it. And how it is related to ETA?
baba
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A peer-reviewed source/textbook about correlation between a nominal (IV) and a continuous (DV) variable

I am having really hard time finding a citable source for the method described in the following link: Correlation between a nominal (IV) and a continuous (DV) variable. I found this method very useful and want to cite a peer-reviewed source. So…
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Eta-squared from Kruskal-Wallis in R

Is it possible to calculate Eta-squared from Kruskal-Wallis test results? I know how to do it by hand for the ANOVA or Mann-Whitney using the Z-statistics, but i must use the KW test for my current data. The KW test using the "kruskal.test" function…
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Interpretation of partial eta-squared in factorial designs

I'm having troubles interpreting and comparing effect sizes in factorial designs based on partial eta squared values. E.g. in a 3x3-within-subjects design with: η²part, A = .2 η²part, B = .4 η²part, AxB = .1, can it be concluded that: Effect of…
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Calculating eta squared from SPSS output, when sum of squares don't sum up

It is not entirely clear, nor I have not found a place in which the information was collected into a single thread, so I decided what to pay attention to this problem here. Various forms of calculations eta-squared (not partial eta-squared which…
statistic24h
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Eta square and effect size in General Linear Model

I have an unbalanced data set that is categorized in 3 different topics. I wanted to see that how these different topics are effecting the data. So I used Generalized Linear Model to investigate this issue. For the significant results of ANOVA test,…
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Transformation eta sqaured into cohens d or r

Is there a possibility to convert eta squared to Cohen's d or r? I uded this page (especially calculator 14) to transform different effect sizes into one: https://www.psychometrica.de/effektstaerke.html The source code was available. How did they…
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How to interpret Eta-Squared result / Does it make sense to test for effect size here?

I am analysing data from over 200 students from my school. In this process I've used a cluster analysis to make 5 different clusters of students using variables such as age, sex, and field of study. I've made a one way ANOVA to determine whether or…
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Bootstrapped effect sizes

I am working on a factorial design (3 factors) and want to use bootstrapped estimates of the effect size. I am unable to execute this with the boot function of R. Model: Y ~ factor(A) * factor(B) * C Here is the sample data and the code I am using…
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Eta Squared Confusion

I'm working on some research and would like to ask for some help regarding the use of Eta-Squared. Our school's review board recommended the use of the statistic for my study which is looking to correlate nurse job satisfaction, occupational stress,…
J. Ong
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When an effect size has to be considered sufficiently large?

I submitted a paper in which I analyzed the data by a mixed design ANOVA. I reported generalized eta squared as effect size. After significant interactions, I conducted planned comparisons. A reviewer suggested me that I have to report planned…