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Bartolucci, Francesco; Pennoni, Fulvia; Vittadini, Giorgio – Journal of Educational and Behavioral Statistics, 2016
We extend to the longitudinal setting a latent class approach that was recently introduced by Lanza, Coffman, and Xu to estimate the causal effect of a treatment. The proposed approach enables an evaluation of multiple treatment effects on subpopulations of individuals from a dynamic perspective, as it relies on a latent Markov (LM) model that is…
Descriptors: Causal Models, Markov Processes, Longitudinal Studies, Probability
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Robinson, Dan – Journal of Educational and Behavioral Statistics, 2005
Robinson interviews Juliet Popper Shaffer, a scientist, who graduated from Swarthmore College in 1953 and Stanford in 1957 with degrees in psychology and concentrations in math, philosophy, and statistics. In 2004 she received the second Florence Nightingale David award given biannually by the Committee of Presidents of Statistical Societies to a…
Descriptors: Interviews, Biographies, Career Development, Scientists