How to Conduct a Classical One-Sample T-Test in JASP and Interpret the Results

The one-sample t-test is used to answer the question of whether a population mean is the same as a specified number, also called the test value. This blog post shows how to perf-orm the classical version of the one-sample t-test in JASP. Let’s consider an example. Testing the Effect of Overeating on Weight Gain Our example dataset stems from a…

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New Version: JASP 0.8.5

JASP 0.8.5 is now available on our download page. This version provides a relatively modest update: More functionality for the network module Simple main effects for ANOVA Replacement of p-value-based stepwise logistic regression with AIC-based variable selection Improvements for the ODS importer Fixes for several issues kindly pointed out to us on the JASP GitHub page Waiting in the wings…

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A New Video on How to Perform a Network Analysis in JASP

The most recent release of JASP (0.8.4) contains several new features, one of which is the network module. This module makes it possible to perform extensive network analyses on your data and produce informative plots and tables. Today, we uploaded an introductory video to our YouTube channel that explains how to perform a network analysis in JASP. To follow along…

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Interview with a Team Member: Alexandra Sarafoglou

In our series Interview With A Team Member, we aim to introduce the people behind the JASP project. Today we are interviewing Alexandra Sarafoglou, who is an analyst and part of our marketing team. Alexandra Sarafoglou is a PhD candidate at the Psychological Methods group at the University of Amsterdam. At JASP, she contributes to the analyses and the video tutorials on the…

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A Combi-Ticket for the Two Summer Workshops in Amsterdam

Shave 100 euros off the total price for the JASP and cognitive modeling workshops with our combi-ticket. Register here to choose the combi-ticket option. If you already registered for one of the workshops and want to use the combi-ticket, contact us at info@jasp-stats.org. Register Now Prices: Combi-Ticket Early birds (completed registration before April 15th, 2018): (PhD-)student: 550 euro Faculty: 750…

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Bayesian Modeling for Cognitive Science: A Workshop in Amsterdam

We are delighted to announce that registration is now open for the annual Amsterdam workshop on probabilistic modelling for cognitive science. The eighth installment of this workshop takes place August 20-24, 2018. Program In this workshop, plenary lectures provide the theoretical background of Bayesian statistics, and practical computer exercises teach participants how to use the popular JAGS and WinBUGS programs…

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Theory and Practice of Bayesian Hypothesis Testing: A JASP Workshop in Amsterdam

The JASP Team is excited to announce that registration for our annual two-day Amsterdam workshop is now open. The fourth installment of this workshop takes place on August 27-28, 2018. Program In this two-day workshop, plenary lectures provide the theoretical background of Bayesian statistics and Bayesian hypothesis testing; in addition, practical exercises demonstrate how the JASP program is applied to…

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Appalachian State University Features JASP Software for Introductory Research Students

Appalachian State University is located in Boone, North Carolina’s Blue Ridge Mountains. Appalachian enrolls about 18,000 students, has a low student-to-faculty ratio and offers more than 150 undergraduate and graduate majors. It is one of 16 universities in the University of North Carolina system. The Communication Department at Appalachian State is using JASP in its COM 3928 introductory research methods…

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Meta-analysis in JASP

The JASP meta-analysis module was supported by a SSMART grant from the Berkeley Initiative for Transparency in the Social Sciences (BITSS), an initiative of the Center for Effective Global Action (CEGA). The new release of JASP supports an extensive arrange of commonly used techniques for meta-analysis. These include fixed and random effects analysis, fixed and mixed effects meta-regression, forest and…

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Announcing JASP 0.8.4: Meta-Analysis, Network Models, and More

The JASP team is happy to announce version 0.8.4. Here’s a select list of new features: A meta-analysis module; A network analysis module; Improved module layout; Stepwise methods for logistic regression; Effect size measures for post-hoc analyses in ANOVA/ANCOVA. In our next post we will take a closer look at the new functionality. For now, enjoy the new version! Like…

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Interview with a Team Member: Johnny van Doorn

In our series Interview With A Team Member, we aim to introduce the people behind the JASP-project. Today we are interviewing Johnny van Doorn, one of our analysts. Johnny van Doorn is a PhD candidate at the Psychological Methods department of the University of Amsterdam. At JASP, he is responsible for Bayesian nonparametric analyses. To contact Johnny, you can send…

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