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Choice Switching and Autism

Autism Spectrum Disorder (ASD) Clinical Trial

Official title:
Choice Switching and Autism

Clinical Trial Summary

The study aims to replicate and clarify a recently observed phenomenon whereby individuals with Autism Spectrum Disorder (ASD) switch between options in a repeated task to a greater extent than healthy controls do. In a meta-analysis a large effect size was found (.37) yet because the effect was noisy in different studies it was not statistically significant. The investigators seek to first examine a very large population through an Internet mediated platform. The sample size will be about the size of all of the previous studies that examined this issue together. Secondly, the investigators wish to understand the discrepancy between this choice switching phenomenon and the recorded tendency of ASD individuals to avoid changing choices. First, the investigators will administer the task in which the effect was found (the Iowa Gambling task) for a longer duration than previously and evaluate whether ASD individuals show increased choice switching in the first blocks of trials but reduced switching following more experience. Secondly, the investigators will administer an additional block of trials without feedback in which participants will not be able to go through a learning process. The investigators predict that this will reduce (and possible flip) the tendency of individuals with ASD to switch choices more often.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04631432
Study type Observational
Source Technion, Israel Institute of Technology
Contact
Status Completed
Phase
Start date January 1, 2021
Completion date September 13, 2021
View Details
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