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Methodologists’ view of the so-called “reproducibility crisis”

January 5, 2016

There is increasing attention paid to the so-called “reproducibility crisis” in psychology. There have been a number of high-profile reports of failures to reproduce many classic findings in psychology. Although this is of course a critically important topic within the social sciences, a recent article by Samantha Anderson and Scott Maxwell in Psychological Methods argues…

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Summer Workshop Schedule

December 18, 2015

We’re pleased to announce our summer workshop schedule: May 23-27: Structural Equation Modeling June 6-10: Longitudinal Structural Equation Modeling June 13-17: Cluster Analysis and Mixture Modeling June 20-24: Multilevel Modeling

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New Workshops at Curran-Bauer Analytics

December 15, 2015

We’re pleased to announce the addition of two new workshops to our summer line up: Longitudinal Structural Equation Modeling and Cluster Analysis and Mixture Modeling Longitudinal Structural Equation Modeling is an extension of our prior three-day course on latent curve modeling. In response to requests from participants, we’ve expanded this course into a full five-day…

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Inferring Cause and Effect in Time Series

December 15, 2015

One of the greatest challenges in social science research is to validly identify cause-and-effect relations. A recent interactive graphic in the New York Times highlights a prospective, quasi-experimental approach to linking increased gun sales to specific social and political events.

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Within- and Between-Group Effects

December 9, 2015

An important concept to understand with multilevel data is the distinction between between-group and within-group effects. For instance, larger animal species (elephants) tend to live longer than smaller species (ducks); this is the between-group effect of size on life expectancy. Within a species, however, larger individuals (big ducks) tend to live less long than smaller…

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Using Listservs to get Advice

December 7, 2015

Although a bit old school, listservs such as SEMNET (for latent variable models) and the Multilevel Discussion List remain useful resources when grappling with quantitative modeling issues. You can search the archives to see if your question has come up before or post a new question to obtain fresh feedback / opinions from list members.…

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Cross-classified item and person effects

November 22, 2015

Something that has come up often recently: When participants provide responses to a set of items or prompts, such as words, faces, or pictures, these items may represent a sample from a broader universe of possible items (e.g., a sampling of words from the lexicon). Responses may then best viewed as reflecting two crossed random…

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