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Volume 21, 2016

Articles

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Data visualization of item-total correlation by median smoothing
Chong Ho Yu, Samantha Douglas, Anna Lee, and Min An

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Tutorial on Using Regression Models with Count Outcomes using R
A. Alexander Beaujean and Morgan B. Grant

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Investigating Causal DIF via Propensity Score Methods
Y. Liu, B. Zumbo, P. Gustafson, Y. Huang, E. Kroc, and A. Wu