We performed a registered and precise replication of Experiment 1 reported in Brady and Alvarez (Psychological Science, 22, 384–392, 2011). The original experiment found that participants, who were asked to memorize the size of differently colored circles, reported the size of a probed circle biased toward the mean size of the same-colored group. Because our previous three unpublished replication attempts failed to find this effect, we powered the present registered replication using a Bayes Factor Design Analysis such that it provided compelling evidence regarding the presence or absence of the reported bias with a high probability, even under the assumption of smaller effect sizes. Thus, we recruited 663 participants through Amazon Mechanical Turk. We observed both a significant bias and strong Bayesian evidence in favor of the existence of a bias over the null hypothesis. Thus, our results can be considered a successful replication of the original findings, although with a considerably smaller effect size. We discuss the role of data quality when recruiting participants with Amazon Mechanical Turk. The present findings corroborate the idea that memory representations of individual objects are influenced by summary statistics.

我们对 Brady 和 Alvarez（心理科学，22, 384–392, 2011)。最初的实验发现，被要求记住不同颜色圆圈大小的参与者报告了一个探测圆圈的大小，该大小偏向于相同颜色组的平均大小。因为我们之前的三个未发表的复制尝试未能发现这种影响，所以我们使用贝叶斯因子设计分析为当前的注册复制提供动力，这样即使在假设较小的效应量。因此，我们通过 Amazon Mechanical Turk 招募了 663 名参与者。我们观察到显着的偏见和强烈的贝叶斯证据，支持对零假设存在偏见。因此，我们的结果可以被认为是对原始发现的成功复制，尽管效应量要小得多。我们讨论了在使用 Amazon Mechanical Turk 招募参与者时数据质量的作用。目前的研究结果证实了个体对象的记忆表征受汇总统计影响的观点。