Browse Studies About FAQ

Sign in Get started

Match. Apply. Get paid. The simplest way to participate in paid clinical research.

Product

Browse Studies How it Works Verification Arctuva Pro For Sponsors

Company

About Contact FAQ

Legal

Privacy Terms of Service Security Accessibility Transparency Report

© 2026 Arctuva, Inc. All rights reserved.

Compensation is for time and inconvenience, not income.

Browse Studies — Arctuva | Arctuva

Browse studies

Find your next paid study

1 recruiting study matching your filters

Newest first Highest paying

Filters

Condition

Location

Phase

Min compensation ($)

Max compensation ($)

GRANDMASTER: Gauging the Role of Alertness and Neurostimulation With Dietary Caffeine in Master-Level Chess; A Double-Blind Randomized Crossover Trial

This study will examine whether caffeine improves cognitive and competitive performance in professional chess players during tournament-style games. In a rando…

Cognitive PerformanceAttentionReaction Time+1 more

Actual pay is set by the research site.

St. Louis UniversityNCT07641335