TAF Support

Member Training: Introduction to SPSS Software Tutorial

April 29th, 2022 by

In this 10-part tutorial, you will learn how to get started using SPSS for data preparation, analysis, and graphing. This tutorial will give you the skills to start using SPSS on your own. You will need a license to SPSS and to have it installed before you begin.

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Member Training: Analysis of Means

March 31st, 2022 by

Stage 2Analysis of Means (ANOM) is an underappreciated methodology that has relevance to quality control and institutional comparisons.

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Member Training: Interrupted Time Series

February 28th, 2022 by

Interrupted time series analysis is a useful and specialized tool for understanding the impact of a change in circumstances on a long-term trend. The data for interrupted time series is a specific type of longitudinal data and must meet two criteria.

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Member Training: Heterogeneity in Meta-analysis

January 31st, 2022 by

Meta-analysis allows us to synthesize the results of separate studies. The goal is to assess the mean effect size and also heterogeneity – how much the effect size varies across studies.  (more…)


Member Training: R for Menu Users Software Tutorial

December 30th, 2021 by

In this nearly 6-hour tutorial you will learn menu-based R libraries so you can use R without having to fuss with R code. These libraries don’t cover everything R can do, but they do quite a bit and can set you up to make running R much easier.

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Member Training: ANOVA Post-hoc Tests: Practical Considerations

October 1st, 2021 by

Stage 2Post-hoc tests, pairwise or other linear contrasts, are typical in an analysis of variance (ANOVA) setting to understand which group means differ. They incorporate p-value adjustments to avoid concluding that group means differ when they actually do not. There are several adjustments that can be considered for conducting multiple post-hoc tests, including single-step and stepwise adjustments. (more…)