# Tagged Questions

44 views

### Mixed Model ANOVA interpretation

I am using SPSS to analyse the 3-way mixed model ANOVA of my study. I have split my variables down to interpret simple interaction effects and found that whilst the graph displays an interaction ...
98 views

### Interpreting 5-way Mixed Model ANOVA

I'm running a 2x2x2x2x2 mixed model ANOVA (on SPSS v21) for my study and found two 4-way interactions, one 5-way interactions and a couple of 3-way interactions. Whilst I understand how to interpret a ...
105 views

### How should I explain the lack of ERROR in a repeated measures ANOVA table using REML?

I have conducted a repeated measures ANOVA using a Linear mixed-effects model fit with REML in R. When I report the results I include the ANOVA table output by ...
229 views

### Interpreting F, p, & partial eta squared from an ANOVA

I am trying to interpret data from previous research and I don't understand what the individual statistics (F, p, and np2--partial eta squared) are telling me about the data, or how they relate to ...
48 views

### I have a non-signficiant ANOVA for a between subjects variable, but a significant planned comparison, is this allowed?

As the title states, I ran an ANOVA and have a non-significant p for a between subjects variable that I wanted to use pairwise comparisons. I designed the study though with a planned comparison ...
109 views

### Repeated Measures ANOVA with several measures entered together: how to find main effect

I've run a 2 (treatment and no treatment) x 2 testing occasions (pre and post) Repeated Measures ANOVA. In addition, I entered several tests given at both time points, so under the Repeated Measures ...
202 views

### How do I interpret the between subject result in mixed ANOVA?

We ran a mixed design repeated measures ANOVA for an RCT examining the utility of a specific treatment on knee range of motion (flexion). Our between subjects factor was study condition (treatment vs. ...
203 views

### How to interpret overlapping interaction plots?

I have an interaction plot that seems to be overlapping on top of one another, what does this signify?
344 views

### How to interpret R output for two-way repeated measures ANOVA

How do I interpret the following output from R for a two-way repeated measures ANOVA ...
120 views

### How to analyze differences of two groups with replicates?

I am trying to see if there are differences between two groups (background genetic mutants) and some values associated to them. Every group has 4 different gene types with two replicates each and its ...
891 views

### How to do ANOVA write-up when there is no significant effect at all?

I was conducting a 'recall of negative words' memory experiment with a two-way between-group ANOVA and got no significant main effects and no significant interaction! How can I go about explaining ...
213 views

### What can I conclude from the following one way ANOVA result?

I used a one-way ANOVA to test if importance levels of attributes have changed over the years (Data comes from a survey of consumers) with the following results (Mean ratings): ...
155 views

### Comparing two experimental groups and a treatment group using ANOVA

I performed a two-way ANOVA. I have one control group and 2 experimental groups. One experimental group received one strategy, the other group received another kind of strategy. Now, I want to know ...
281 views

### How do I interpret data from a 2x2 experiment with a floor effect that causes it to lack any variation in one cell?

I have performed a 2x2 experiment to measure the effects of two genetic factors on the occurrence and size of a rare birth defect. When an individual has the defect, we can measure its size (size is a ...
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### Balance between randomization, interspersion and even initial conditions of experimental units

We are setting up a manipulative experiment in forest where we will test the effect of management on a number of health indicators. We have 1 factor, 3 levels, 3 plots each replicated 3 times; ...
58k views

### How to interpret F- and p-value in ANOVA?

I am new to statistics and I currently deal with ANOVA. I carry out an ANOVA test in R using aov(dependendVar ~ IndependendVar) I get – among others – an F-value ...
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### Interpretation of 3-way ANOVA

I have 2 genes (tf1 and tf2), which are affecting a third gene (tg). By affecting a gene I mean the changes in the value of tf1 and tf2 changes the value of tg. what we measure in the whole experiment ...
3k views

### How to interpret a three-way ANOVA?

I have used a three-way ANOVA to analyze the the effect of genes, transcription factors, and different conditions on the gene expression. Now I have 9 elements, SSa, SSb, SSc, SSab, SSbc, SSac, SSabc, ...
I measured response variable $Y$ at three levels of factor $A$ and four levels of factor $B$, $n=6$ reps/treatment. Results include $A$ has strong effects on $Y$. $B$ has no effect on $Y$ There is ...