Psychology | Methods
Software
R Packages
sprtt: Sequential Probability Ratio Test Toolkit
An R package for sequential hypothesis testing using Wald's (1947) SPRT
Shinyapps
Bayes factors for ordinal Items
A Shinyapp for the calculation of Bayes factors for comparisons of two Likert-item distributions
Curtailed RRT made easy
A Shinyapp for sequential (curtailed) hypothesis testing using randomized response models
Easy application of Waldian t tests
A Shinyapp for Waldian t tests: Sequential Baysian t tests with controlled error probabilities
R Scripts
Sequential t tests
R Scripts and detailed instructions for sequential probability ratio t tests
Curtailed RRT
R scripts and detailed instructions for sequential (curtailed) hypothesis testing using randomized response models
The software provided on this website may be used for non-commercial purposes free of charge. Although considerable effort was put into developing and testing the software, there is no warranty whatsoever. I am grateful for comments, questions, or suggestions. Don’t hesitate to contact me.