Search results for author:"Steven M. Boker"
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Educational and Psychological Measurement Vol. 75, No. 3 (June 2015) pp. 458–474
This article introduces an item factor analysis (IFA) module for "OpenMx," a free, open-source, and modular statistical modeling package that runs within the R programming environment on GNU/Linux, Mac OS X, and Microsoft Windows. The IFA...
A Multilevel Multivariate Analysis of Academic Performances in College Based on NCAA Student-Athletes
Multivariate Behavioral Research Vol. 48, No. 1 (2013) pp. 57–95
This is an application of contemporary multilevel regression modeling to the prediction of academic performances of 1st-year college students. At a first level of analysis, the data come from N greater than 16,000 students who were college freshman...
Something in the Way We Move: Motion Dynamics, Not Perceived Sex, Influence Head Movements in Conversation
Steven M. Boker; Jeffrey F. Cohn; Barry-John Theobald; Iain Matthews; Michael Mangini; Jeffrey R. Spies; Zara Ambadar; Timothy R. Brick
Journal of Experimental Psychology: Human Perception and Performance Vol. 37, No. 3 (June 2011) pp. 874–891
During conversation, women tend to nod their heads more frequently and more vigorously than men. An individual speaking with a woman tends to nod his or her head more than when speaking with a man. Is this due to social expectation or due to coupled ...