R, the free and open source program for statistical computing, poses a substantial threat to the reproducibility of published research. This post explains the problem and introduces a solution. The Problem: Packages R itself has some reproducibility problems (see example in this footnote [1]), but the big problem is its packages: the addon scripts that…
[94] Data Replicada #9: Are Progression Ads More Credible?
In the ninth installment of Data Replicada, we report our attempt to replicate a recently published Journal of Marketing Research (JMR) article entitled, “Advertising a Desired Change: When Process Simulation Fosters (vs. Hinders) Credibility and Persuasion” (.htm). Some products, such as weight loss programs, exist to help consumers attain a desired change. In this paper,…
[93] ResearchBox: Open Research Made Easy
This post introduces ResearchBox, a new platform for easily sharing data, code, materials, and pre-registrations. With a design and approach similar to AsPredicted, ResearchBox simplifies, standardizes, and organizes supporting materials for publishable research. Compared to the current leading platform, the OSF, ResearchBox is narrowly designed to make it easy for authors to share data, code,…
[92] Data Replicada #8: Is The Left-Digit Bias Stronger When Prices Are Presented Side-By-Side?
In the eighth installment of Data Replicada, we report our attempt to replicate a recently published Journal of Marketing Research (JMR) article entitled, “The Left-Digit Bias: When and Why Are Consumers Penny Wise and Pound Foolish?” (.htm). In this paper, the authors offer insight into a previously documented observation known as the left-digit bias, whereby…
[91] p-hacking fast and slow: Evaluating a forthcoming AER paper deeming some econ literatures less trustworthy
The authors of a forthcoming AER article (.pdf), "Methods Matter: P-Hacking and Publication Bias in Causal Analysis in Economics", painstakingly harvested thousands of test results from 25 economics journals to answer an interesting question: Are studies that use some research designs more trustworthy than others? In this post I will explain why I think their…
[90] Data Replicada #7: Does Displaying Multiple Copies of a Product Increase Its Perceived Effectiveness?
In the seventh installment of Data Replicada, we report our attempt to replicate a recently published Journal of Consumer Research (JCR) article entitled, “Product Entitativity: How the Presence of Product Replicates Increases Perceived and Actual Product Efficacy” (.html). In this paper, the authors propose that “presenting multiple product replicates as a group (vs. presenting a…
[89] Data Replicada #6: The Problem of (Weird) Differential Attrition
In this sixth installment of Data Replicada, we report our attempt to replicate a recently published Journal of Consumer Research (JCR) article entitled, “The Impact of Resource Scarcity on Price-Quality Judgments” (.html). This one was full of surprises. The primary thesis of this article is straightforward: “Scarcity decreases consumers’ tendency to use price to judge…
[88] The Hot-Hand Artifact for Dummies & Behavioral Scientists
A friend recently asked for my take on the Miller and Sanjurjo's (2018; pdf) debunking of the hot hand fallacy. In that paper, the authors provide a brilliant and surprising observation missed by hundreds of people who had thought about the issue before, including the classic Gilovich, Vallone, & Tverksy (1985 .htm). In this post:…
[87] Data Replicada #5: Do Human-Like Products Inspire More Holistic Judgments?
In the fifth installment of Data Replicada, we report our attempt to replicate a recently published Journal of Consumer Research (JCR) article entitled, “The Influence of Product Anthropomorphism on Comparative Choice” (.html). A product becomes “anthropomorphized” when it is imbued with human-like features, such as a face or a name. For example, this camera, which…
[86] The Data Colada Seminar Series
We miss the old seminars and conferences. While we wait for those to happen again, we’ve decided to organize a seminar series ourselves. Most talks will probably be about behavioral science, but we are figuring things out as we go. The one thing that all talks will have in common is that all three of…