JASP on SURFspot

Open to all students and academics in the Netherlands, SURFspot offers a large collection of educational software programs at greatly reduced costs. Or, as their own website says, “SURFspot is the ultimate non-profit ICT online store that offers special educational discounts on software, cloud services and hardware exclusively to students and staff of Dutch higher and senior secondary vocational education…

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A New Manual for JASP

During this year’s JASP workshop in Amsterdam, one of the workshop participants, Dr. Mark Goss-Sampson from the University of Greenwich, brought to our attention an impressive 119-page students’ guide to JASP. This detailed manual explains how to perform many different types of frequentist analyses in JASP. The manual is fully up-to-date (i.e., based on JASP 0.9), and the plan is…

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Stunned, Staggered, and Amazed: A Huge Win for Open Science at JPSP

Tl;dr: The flagship journal of social psychology, JPSP, has just implemented a variety of measures that promote responsible research practices. A watershed moment for open science, this news felt like a bolt from the blue — but only because I did not take the editor’s word for it… The Journal of Personality and Social Psychology (JPSP) may be the flagship…

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Erik-Jan van Kesteren on his Favorite Probability Distribution, Future JASP Features, and More – Interview with a Team Member

In our series Interview With A Team Member, we aim to introduce the people behind the JASP project. Today we are interviewing Erik-Jan van Kesteren, one of our software developers.   Erik-Jan is a software developer. At JASP, is responsible for adding plots, functions, UI elements, and interfacing R and C++.   What is your professional background? I am currently…

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How to Perform Structural Equation Modeling in JASP

With the latest release of JASP, the Structural Equation Modeling (SEM) module has received a few updates to make it more user-friendly. In this blogpost, we go through a famous example of latent mediation in order to show how the functionality of JASP’s SEM module can be used for advanced statistical modeling. The SEM module in JASP is based on…

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How to Filter Your Data in JASP

Released last week, JASP 0.9 contains a feature that many users have eagerly anticipated: filtering. This post demonstrates how to use the new filtering functionality by going over several examples. The filtering functionality in JASP has three interfaces: the Click Filter, the Drag and Drop Filter and the R Filter. To illustrate their use, we will analyze a couple of…

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Introducing JASP 0.9

We are delighted to announce that JASP 0.9 is now available on our download page. It includes the following new features and improvements: Filtering: use either R code or a drag-and-drop GUI to select cases of interest (an in-depth explanation on filtering in JASP will be posted soon) The JASP data library: an initial collection of over 50 data sets,…

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JASP at APS 2018

The 30th Annual Convention of the Association for Psychological Science takes place this weekend in San Francisco. Johnny van Doorn and myself will present JASP on two different occasions: We will present JASP at the Open Science Pavilion. You can drop by to say hi, collect some JASP stickers, or get a sneak peek at the upcoming version of JASP…

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Data Editing in JASP

Occasionally I get feedback from JASP users who write: “I would like to be able to edit data directly in JASP”. Each time I discuss this issue, however, I can convince our users that the way you can edit data with JASP is smarter. That’s why I’d like to expose my arguments in this blog post. First of all, you…

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How to Run JASP in your Browser

When we designed JASP we faced a difficult choice: should we implement a standalone application or a web application? After due deliberation we chose the standalone option. We have revisited this decision several times but always ended up sticking to our initial choice. However, web applications do have some advantages over standalone versions. For instance, web applications are easy to…

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