Daniel McCaffrey of the Educational Testing Association and RAND Corp. will discuss “Causal Modeling With Observational Data and Covariates Measured With Error,” the latest installment of the Distinguished Lecture series, from 3:30 to 5 p.m. on April 3 in SZB 324. Faculty members and students are invited to attend the lecture, presented by the Quantitative Methods Area of the UT Austin Department of Educational Psychology, the Pearson Center for Applied Psychometric Research, and MCPER.