Cognitive Tasks and Models in a Large Online Sample

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

Study 3 will evaluate all tasks and models from Aim 1 in two large online samples of U.S. adults to preregister and then independently confirm hypotheses. The goal is to determine how to test computational algorithms in population-based samples, optimize task length, and understand how predicted factors relate to psychopathology across demographic groups. Participants will complete three 60-minute sessions via Prolific, with efforts to ensure high data quality and representativeness by matching to ACS demographics. General cognitive abilities, self-report measures of voice hearing and delusional thinking, and a set of experimental tasks (motion perception, speech perception, volatility, probabilistic reversal, and Kamin blocking) will be collected to examine relationships with reported symptoms.

Why it matters

Who can join: the full rules

Inclusion Criteria:

* Residents of the U.S.
* between 18-59 years of age

Exclusion Criteria:

* Resides outside of U.S.
* under 18 or over 59 years of age

Where it's running

• University of Minnesota
  Minneapolis, Minnesota, United States Recruiting
• Washington University
  St Louis, Missouri, United States Recruiting

Study contacts

• Principal investigator: Deanna Barch, PhD — Washington University School of Medicine
• Study coordinator: Deanna Barch, PhD
• Email: dbarch@wustl.edu
• Phone: 314-935-8729

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.