WHAT MAKES JDM DISTINCT? A friend of Decision Science News, who is co-organizing a session on JDM (judgment and decision making research) for students, recently emailed a handful of JDM researchers: Those of us in the JDM session are doing quite different research and couldn’t really see how we were more “JDM” than, say, someone […]
TYPES OF DEFAULTS AND HOW TO SET THEM Defaults are settings or choices that apply to individuals who do not take active steps to change them (Brown & Krishna, 2004). Collections of default settings, or “default configurations” determine the way products, services, or policies are initially encountered by consumers, while “reuse defaults” come into play […]
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HOMOPHILY + MAPS WITHOUT MAPPING SOFTWARE In the past, Decision Science News has posted about homophily (“birds of a feather shop together“) and cool, lightweight visualizations (“maps without map packages in R“). Today, both topics come together in Eric Fischer’s fascinating set of images on Flickr called “Race and Ethnicity”(*). According to Eric: Red is […]
THE POTENTIAL FOR A BOND BUBBLE Small investors have been a lot of fun to watch for quite some time now. In the 1930s, doing the opposite of the small investors (the so-called “odd lot” crowd because they could not afford to trade in amounts as large as standard units) was a popular contrarian strategy. […]
PREDICTING CONSUMER BEHAVIOR FROM SOCIAL NETWORKS This week, Decision Science News is doing a special cross-posting with Messy Matters. The post below is by Sharad Goel and describes work that he and your Decision Science News editor Dan Goldstein are jointly undertaking at Yahoo! Do you know what the #$*! your social media strategy is? […]
DSN OF THE WEEK In response to last week’s post, Mike DeKay sent in this paper, which PNAS is good enough to let you down load for free. CITATION Attari, S. Z., DeKay, M. L., Davidson, C. I., & Bruine de Bruin, W. (in press). Public perceptions of energy consumption and savings. Proceedings of the […]
EVALUATING THE CREDIBILITY OF ENDORSERS AND DOUBTERS OF CLIMATE CHANGE In science, you are not supposed to believe something simply because other people believe it, even if those other people are really smart. Like the Hollywood narrator, we can think of examples where “one man (1), in a world of doubters, stands up for what […]
CHART CRITICS, GRAPHICS CURMUDGEONS, COME ONE COME ALL Once upon a time there was this graph (graph 1). Andrew Gelman went all graphics curmudgeon on it, calling it an “ugly, sloppy bit of data graphics“, so it became this graph (graph 2). Now the question is, which is better: graph 2 or graph 3? Please […]
SPECIAL ISSUE: RECOGNITION PROCESSES IN INFERENTIAL DECISION MAKING The journal Judgment and Decision Making today published a special issue on “Recognition processes in inferential decision making” edited by Julian N. Marewski, Rüdiger F. Pohl and Oliver Vitouch. The special issue turns out to be the first of two special issues, something the editors had not […]
WHAT IF YOUR GPS TOLD YOU WHAT WOULD HAVE HAPPENED IF YOU HAD TAKEN THE OTHER ROUTE? Not long ago, your Decision Science News editor was planning a trip to a book group meeting along with another member. The monthly book group takes place in Cove Neck Long Island, about an hour East of Manhattan. […]
