In this tutorial we will show you how to report a point-biserial correlation from SPSS in APA style. First, we will provide two templates that you can use to report your point-biserial correlation in APA style. Then we will show you how to populate these templates using your SPSS output. Finally, we will show you … Read more
The point-biserial correlation is a special case of a Pearson correlation. It measures the strength and direction of the relationship between a dichotomous variable (e.g., pass or fail) and a continuous variable (e.g., exam scores). A dichotomous variable is a variable that has two values only, for example, male or female, pass or fail. In … Read more
In this tutorial we will show you how to report your Wilcoxon signed-rank test from SPSS in APA style. First, we give you a template that you can use to report your results. Then, we explain how to populate this template using the SPSS output from your own test. Finally, we give you an example … Read more
In this tutorial we will show you how to report a Kruskal-Wallis test from SPSS in APA style. First we give you a template that you can use to report the results of a Kruskal-Wallis test. Next we show you how to populate this template using the SPSS output from your own test. Finally we … Read more
In this tutorial, we will show you how to conduct and interpret a Kruskal-Wallis test with post-hoc analysis in SPSS. Researchers use the Kruskal-Wallis test to evaluate whether there are differences between three or more groups on a dependent variable measured at the continuous or ordinal level. For example, we could use it to evaluate … Read more
In this tutorial we will show you how to report your chi-square goodness of fit test from SPSS in APA style. First, we give you a template that you can use to report your results. Then, we show you how to populate this template using the SPSS output from your own test. Finally, we give … Read more
In this tutorial we will show you how to perform and interpret the chi-square goodness of fit test in SPSS. Quick Steps Click Analyze -> Nonparametric Tests -> Legacy Dialogs -> Chi-square Move your categorical variable to the Test Variable List box. Under Expected Values: Ensure that the All categories equal option is checked OR Check the Values option and enter your … Read more
In this tutorial, we will show you how to clean your data in SPSS. What is Data Cleaning? Data cleaning is the process of reviewing a data set for potential problems and resolving those problems prior to data analysis. Data problems include incomplete, incorrect, or incorrectly formatted data. Why is Data Cleaning Important? The results … Read more
In this quick tutorial, we will show you how to conduct and interpret a Wilcoxon signed-rank test in SPSS. Quick Steps Click Analyze -> Nonparametric tests -> Legacy Dialogs -> 2 Related samples… Click Reset (recommended). Move your first variable to the Variable1 cell of the Test Pairs box Move your second variable to the Variable2 … Read more
In this tutorial, we show you the easiest way to create a simple line graph in SPSS. Quick Steps Click Graphs -> Line (in newer versions of SPSS) OR Click Graphs -> Legacy Dialogs -> Line (in older versions of SPSS) Ensure that Simple is selected. Under Data in Chart Are, select Values of individual cases Click Define … Read more
In this tutorial we will show you how to report a Spearman’s rank order correlation from SPSS in APA style. We have included two templates for reporting your Spearman’s correlation here. We will demonstrate how to populate these templates using the SPSS output from your own study. In addition, at the end of the tutorial, … Read more
In this tutorial, we will show you how to report the results of your simple linear regression analysis from SPSS in APA style. First, we will provide a template that you can use to report your results. Next, we will show you how to populate this template using the SPSS output from your own analysis. … Read more
So, you want to use SPSS, IBM’s statistical software package, and you’re wondering whether you can download it for free? IBM offers a free 30-day trial of SPSS but, beyond that, you will normally have to pay for your license. Some academic institutions offer students, faculty and researchers free access to SPSS either via a … Read more
Spearman’s rank order correlation is a non-parametric test that we use to measure the strength and direction of the relationship between two variables measured on an ordinal, interval, or ratio scale. In this tutorial, we explain when you should use Spearman’s correlation; and how to calculate and interpret it in SPSS. Quick Steps Click Analyze … Read more
In this tutorial we show you how to compute and interpret Levene’s test for equality of variances in SPSS. Levene’s test assesses whether the variance of a dependent variable (e.g., exam scores) is equal for two or more groups (e.g., males and females). Equality of variances is also known as homogeneity of variance and it … Read more
In this tutorial we show you how to conduct simple linear regression analysis in SPSS, and interpret the results of your analysis. Quick Steps Visualize your data with a scatterplot Click Analyze -> Regression -> Linear Move your independent variable to the Independent(s) box Move your dependent variable to the Dependent box Click Statistics Ensure that the Estimates and Model fit … Read more
A population pyramid is a chart that allows us to visualize the distribution of a population by age and gender. In this tutorial we will show you how to create a population pyramid in SPSS. Quick Steps Click Graphs -> Population Pyramid (in newer versions of SPSS) OR Click Graphs -> Legacy Dialogs -> Population Pyramid … Read more
In this quick tutorial, we’ll show you how to find the mode for one or more variables in SPSS. Quick Steps Click Analyze -> Descriptive Statistics -> Frequencies Click Reset (recommended) Move the variable(s) for which you want to calculate the mode to the Variable(s) box on the right Ensure that the Display frequency tables box is checked. Click Statistics … Read more
In this tutorial, we show you how to report a paired samples t-test from SPSS in APA style. First, we provide a template that you can use to a report paired samples t-test in APA style. Next, we show you how to use the SPSS output from your own t-test to populate this template. Finally, … Read more
In this tutorial, we show you how to report the results of a repeated-measures ANOVA from SPSS in APA style. First, we give you a template that you can use for this purpose. Then, we show you how to populate this template using your own SPSS output. Finally, we provide an example of a repeated-measures … Read more