SPSS VARSTOCASES – What and Why?

SPSS VARSTOCASES restructures data by stacking variables on top of each other.
This must-read tutorial shows some tips, tricks, and a major pitfall for SPSS VARSTOCASES. Read More

SPSS OMS Tutorial – Creating Data from Output

SPSS OMS (Output Management System) converts SPSS output tables into datasets. On some projects, this saves truly vast amounts of time and effort. Read More

Sampling Distribution – What is It?

A sampling distribution is the frequency distribution of a sample statistic (mean, standard deviation or other) over repeated samples.
A sampling distribution tells us which outcomes we should expect, given our research hypothesis. Read More

How to Compute Means in SPSS?

How to compute means in SPSS? This tutorial demonstrates simple but solid examples with tips, tricks and pitfalls on a downloadable data file. Read More

Z-Scores – What and Why?

What exactly are z-scores and how do they (not) relate to the normal distribution?
Everything you need to know is explained in normal language by this gentle tutorial. Read More

SPSS VARSTOCASES – What and Why?

SPSS VARSTOCASES is short for “variables to cases”. It restructures data by stacking variables on top of each other. This tutorial also shows a major pitfall in SPSS VARSTOCASES. Read More

SPSS OMS Tutorial – Creating Data from Output

SPSS OMS (Output Management System) converts SPSS output tables into datasets. On some projects, this saves truly vast amounts of time and effort. Read More

Sampling Distribution – What is It?

A sampling distribution is the frequency distribution of a sample statistic (mean, standard deviation or other) over repeated samples. A sampling distribution tells us which outcomes we should expect, given our research hypothesis. Read More

How to Compute Means in SPSS?

How to compute means in SPSS? This tutorial demonstrates simple but solid examples - with tips, tricks and pitfalls - for computing means over both variables and cases. Read More

Z-Scores – What and Why?

Z-scores are linearly transformed data values having a mean of zero and a standard deviation of 1. Z-scores may or may not be normally distributed. Read More

SPSS Confidence Intervals for Correlations Tool

This tutorial presents a freely downloadable, user friendly tool for computing confidence intervals for Pearson correlations in SPSS. With easy-to-follow examples and instructions. Read More

SPSS Regression Example

Regression analysis in SPSS explained in normal language. This tutorial shows how to run a basic but solid multiple regression analysis in SPSS on a downloadable data file. Read More

Multiple Regression – What Is It?

Multiple regression is a statistical technique that aims to predict a variable of interest from several other variables. This tutorial explains multiple regression in normal language with many illustrations and examples. Read More

SPSS – What Is It?

SPSS is software for editing and analyzing all sorts of data. This article presents a quick overview of how its interface works and its main features. Read More

ANOVA – What Is It?

ANOVA - short for Analysis of Variance - tests whether 3 or more means of a metric variable are different. This tutorial explains ANOVA in normal language. Read More