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JASPROC

PROCESS models in JASP

The end goal is to transform the way in which researchers and educators use PROCESS models in the social sciences. PROCESS models are a family of statistical models that feature moderation, mediation, or both, in various configurations. Highly popular throughout the social sciences, the current state of its main
implementation is below par; specifically, the main implementation of PROCESS is (a) in SPSS (a commercial, closed-source program); (b) as a catalogue of 57 models (a substandard educational approach); (c) as a frequentist methodology (foregoing the possible advantages of a Bayesian analysis); (d) without the ability to visually represent the estimated parameters of the models.

We aim to overcome the above limitations by implementing a modern approach to PROCESS models in JASP. The currently envisioned implementation consists of two complementary GUIs:

  1. A GUI where the user first selects the PROCESS model and then specifies the relevant variables for each of the relevant boxes of the selected model (e.g., predictor, mediator, and moderator).
  2. A GUI where the user can build the model from scratch by specifying relevant variables, links between variables, and mediation/moderation pathways.
    The JASP implementation of PROCESS will help researchers apply, understand, and teach PROCESS models. PROCESS models are ubiquitous in the social sciences but their current implementation is clearly suboptimal and outdated, which means that a proper JASP implementation can have tremendous impact.

Participating organisations

Netherlands eScience Center
University of Amsterdam
Social Sciences & Humanities
Social Sciences & Humanities

Impact

Output

Team

Jisk Attema
Programme Manager
Netherlands eScience Center
Eric-Jan Wagenmakers
Eric-Jan Wagenmakers
Lead Applicant
University of Amsterdam
Johnny van Doorn
Johnny van Doorn
Co Applicant
University of Amsterdam
Bruno Boutin
Bruno Boutin
Software Engineer
University of Amsterdam
Malte Lüken
Malte Lüken
Lead Engineer
Netherlands eScience Center
TV
Thijs Vroegh
Research Software Engineer
Netherlands eScience Center

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