## Calculating Sample Size Estimates – The Effect Size

There’s no question that some parts of running models are easier than others. And when talking about complexity or difficulty, we have to mention the effect size when you are calculating sample size estimates.  One of the things that you may not know is that the power of every significance test is based on four … Read more

## Fixed Vs Random Factors In Mixed Models

When you are studying or running mixed models, then you need to be aware that you will need to keep in mind the clear distinction between fixed vs random factors. The reality is that establishing this difference between fixed vs random factors and determine which factors are fixed and which ones are random is very … Read more

## 5 Benefits Of Running Repeated Measures ANOVA As A Mixed Model

When you are looking to running repeated measures ANOVA, then you probably already know that you have two different options. The traditional approach consists of treating it as a multivariate test-each response that is considered a separate variable. The other way is to use a mixed model.  Looking to calculate the z score? Notice that … Read more

## 6 Guidelines For Accurate Statistical Model Building

When you are learning statistics, then you may not have the idea that actually teaching how to do accurate statistical model building is one of the most difficult tasks. The truth is that when you are learning how to do an accurate statistical model building, you will notice that this is a process that is … Read more