APS

2026 APS Annual Convention · 2026

Replication Crisis Update: Convenient Samples Vary More Than Random Samples

Barcelona, Spain · May 2026

Posters · How We Know: Methods, Measurement & Open Science

  • Carl Scott
    CS Statistics

Abstract

The replication crisis in psychology unsettled many but lacked resolution. I examined the possible role of nonrandom samples. I drew 134 convenient and random samples from a large dataset. Results from convenient samples tracked population values, were more variable, and less likely to find statistical significance, relative to random samples.

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