When is omega squared considered large?

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

How to manually calculate p value in ANOVA? what is the equation or formula for it?

03 March 2021 4,928 5 View

Mixed ANOVA - help?

I'm currently working on a piece which asks to conduct an ANOVA - looking at the effect of sporting group (2 levels), and exercise trials (two trials with six levels). I've computed this all...

27 February 2021 9,626 4 View

How to Interpret Partial Eta Squared Numbers For a Repeated Measures Anova?

I have obtained Partial Eta Squared Numbers through Two-Way Mixed Anova Analysis. My results for different constructs are: .105, .135, .038, .068, .061 respectively. I wanted to know, whether...

24 February 2021 7,122 1 View

Can we proceed to perform Two-way Mixed-ANOVA despite normality violations?

While testing assumptions, Shapiro-Wilk Test failed. However, I proceeded with the analysis and the interaction effect was significant. During our course- lectures, it was mentioned that Anova...

24 February 2021 228 3 View

Sample size determination for non-parametric tests?

How do I run a a priori sample size determination for non-parametric tests, like the Mann-Whitney U-test and the Kruskall-Wallis or other non-parametric tests that accord with the unpaired t-test...

24 February 2021 166 6 View

Three-way robust ANOVA in R?

I am trying to conduct a three-way robust ANOVA in R using the WRS2 package as: t3way(Stem ~ Species*Temperature*Salinity, data = tutto) and there is an error saying : Error in if...

22 February 2021 1,674 8 View

Which test should I use in SPSS if I have two independent variables and one dependent variable that is measured using two tests?

I am researching the effect of gender and video game use on reaction times. To do this, I will have participants complete two reaction time tests (a simple test and a four choice test). I am a...

17 February 2021 9,343 4 View

Can I perform two way ANOVA in case of some missing groups?

I had control cells and performer ELISA analyses group (time 0). I stimulated cells with substance A and B and cultivated for 1, 2 and 3 hours. On each cells I performed ELISA. I have results...

17 February 2021 8,933 4 View

Level 1 pre-post multilevel regression: Panel data or ANOVA approach?

Dear colleagues, I am currently teaching myself in multilevel analysis using educational data. I found few to zero literature on basic analysis methods. In my context we frequently use level-1...

17 February 2021 9,378 5 View

Cira De Pelekais

Este coeficiente de asociación

según Weimer (1996, p.624) está

indicado en aquellos casos en los cuáles se requiera la asociación en

tre una variable nominal y otra (intervalar u ordinal). Este caso puede presentarse en el ámbito de un ANOVA cuyo valor F halla dado significativo y sabiendo según este valor F que hay una relación entre las dos variables ahora nuestro interés radica en conocer el grado de intensidad de la asociación.

El estadístico omega cuadrado es un estimador común de la

fuerza de las asociación entre la variable del tratamiento y la

dependiente en un arreglo de ANOVA de un solo criterio de

clasificación. Fue derivado por Hays