APS

2022 APS Annual Convention · 2022

Effect Size, Not Sample Size, Predicts the Replicability of Psychological Research.

Chicago, IL · May 2022

Poster · Methodology

  • Zhaoyi Yang
    New York University
  • Minghui Wang
    University of Southern California
  • Lezhi Deng
    University of California, Los Angeles
  • Jiting Liu
    The Chinese University of Hong Kong
  • Shihan Chen
  • Yihan Gao
  • Xingyu Li
    Stanford University
  • Geoffrey Cohen
    Stanford University

Abstract

Larger sample size has been championed as a chief strategy for producing more replicable psychological research but is this view empirically justified? In our empirical analysis of 316 replication attempts, we found that sample size did not correlate with replication success at all, regardless of how replication success was operationalized.

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