The JASP Blog

The latest release of JASP offers a new feature for data visualization: Raincloud plots. Invented and promoted by Micah Allen and colleagues (Allen et al., 2021), the raincloud plot combines a cloud of points with a box plot and a one-sided violin plot. This combination allows the viewer to obtain a wealth of information about a variable from a single…

Imagine that you recently started to show COVID-19 symptoms. Naturally, you are worried and decide to have a diagnostic test. Unfortunately, the test result is positive. You learn that the test used gives a true positive result in 99 out of 100 cases. Thus, you conclude that you contracted the virus with a probability of 99%. Such a conclusion would…

We are happy to announce that JASP 0.15 has been released and is now available on the download page. JASP 0.15 contains the following new features and improvements: JASP has now been translated to Japanese, Portuguese, Galician, Chinese (incomplete), and Spanish (incomplete). We will post more about these versions and the translators in the upcoming weeks. Plot editing. This allows…

Video 1: Open your Bachelor Thesis Using JASP Learning objective: How to open (publish) the data and analyses in your bachelor thesis Time: 20 minutes presentation + 10 minutes hands on (making a JASP file, creating an OSF repository) When you have finished your bachelor thesis, you have the opportunity to open (publish) your data and analyses. A JASP file can…

Starting out in Bayesian statistics can be daunting. Learners are confronted with new terms in abundance: prior distribution, posterior distribution, Bayes factor, marginal likelihood, credible interval – just to name a few. If you are all on your own, it can be challenging to get a good grasp of all the important concepts. At JASP, we are committed to increase…

The JASP programming team has made it easier for new code contributors to add functionality. Specifically, the team has created components in the scripting language qml that make it relatively straightforward to design your own GUI including boxes for the variables, radio buttons, tick boxes, etc. Examples are given in the first part of the JASP YouTube video available here. Associated…

The only thing worse than statistical software that does not work, is statistical software that appears to work but produces incorrect output. For this reason, verifying the computed results of statistical software is serious business – also for JASP. This is why in July of 2020 we started a systematic verification process. Beginning with the most commonly used frequentist analyses,…

We are happy that JASP 0.14 has been downloaded over 99877 times since its release on October 14th! JASP 0.14.1 adds some improvements and fixes small issues. Some of the improvements are: Several changes to the audit module Evaluate audit samples more efficiently #4411 More prior construction methods #700 UVB functionality #1149 More computing speed for RoBMA #4408 Previously the…

This is a guest post by Tom Faulkenberry (Tarleton State University). Click here to access the supplementary materials. Amid the COVID-19 pandemic, universities have needed to quickly adjust their traditional methods of instruction to allow for maximum flexibility. This means that professors have also had to think critically about how they can best deliver instruction in new formats. Ever the…