Update February 3: I added a Twitter response made by the first author. In the commentary section a comment by the second author. I just submitted my review of the manuscript Experimental Design and the Reliability of Priming Effects: Reconsidering the "Train Wreck" by Rivers and Sherman. Here it is. The authors start with two important observations. First, semantic priming experiments yield robust effects, whereas “social priming” (I’m following the authors’ convention of using quotation marks here) experiments do not. Second, semantic priming experiments use within-subjects designs, whereas “social priming” experiments use between-subjects designs. The authors are right in pointing out that this latter fact has not received sufficient attention. The authors’ goal is to demonstrate that the second fact is the cause of the first. Here is how they summarize their results in the abstract: “These results indicate that the key difference between priming effects identifi