In this week’s episode Greg and Patrick follow-up their previous discussion of time-varying covariates with a conversation about methods for modeling the simultaneous development in two or more constructs over time. Along the way, they also discuss back tattoos, right lane closures, 49.5 lb luggage, Clear, the United lounge, Sharpies, Neo, the Urfdedurfdedingerdonger, living with […]
S7E20 Modeling Co-Development Over Time Read More »
In this week’s episode, Greg and Patrick have great fun talking about the inclusion of time-varying covariates within growth models. They differentiate time invariant from time varying predictors, explore how these are differentially incorporated in the MLM and SEM, and conclude with both the strengths and the limitations of these models in practice. Along the
S7E19 Growth Modeling With Time-Varying Covariates Read More »
In this week’s episode Greg and Patrick explore the incredibly cool possibilities offered by the time-varying effects model as a non-parametric alternative to the more restrictive time-varying covariate model. Along the way we also discuss North Dakota, Cal Ripken Jr., pre-gaming, not trying to be funny, left lane guy, Walker Texas Ranger, smelling toast, Bob
S7E13 Time-Varying Effect Models Read More »
In this week’s episode Patrick and Greg talk about latent transition analysis, which embeds latent class analysis within a longitudinal context, allowing us to explore, as well as to formally test, patterns of individual change in latent class membership over time. Along the way they also mention: identity crises, the crossword puzzler, the nihilist, here
S7E09 Modeling Categorical Change with Latent Transition Analysis Read More »
In this week’s episode Greg and Patrick explore both the challenges and the opportunities of age-period-cohort analysis when trying to understand the complexities of human behavior over time. Along the way they also discuss bachelor night, Dave Brubeck, pay phones, street lights, global nuclear war, lazy thinking, I’m not a crook, biking to grandmas, HMS
S6E17 Age-Period-Cohort Analysis Read More »
In this week’s episode, the first of Season 6, Greg and Patrick visit with Dr. Ethan McCormick, an Assistant Professor of Educational Statistics and Data Science in the School of Education at the University of Delaware. After catching up on Ethan’s international adventures they discuss his recent work on using growth factors as predictors of
S6E01 Growth as a Predictor? Back to School with Ethan McCormick Read More »
In this week’s episode Greg and Patrick explore the incredibly cool topic of survival analysis, which is a set of techniques that allows for powerful tests of predictors of the amount of time to experiencing an event; yet these models are not often used in many areas of study. Along the way they also discuss
S5E22 Survival Analysis in the Social Sciences: It’s About Time Read More »
In this week’s episode Greg and Patrick explore alternative parameterizations of the SEM-based latent curve model to capture various forms of nonlinearity, some that are approximations and others that are exact. Along the way they also discuss Swifties, remastering your life, bull testicles, the world’s worst RA job, Yerkes-Dodson law, show a little ankle, the
S5E10 Nonlinear Latent Growth Curve Models (Taylor’s Version) Read More »
In this week’s episode Patrick and Greg talk about the critical and often unmet assumptions underlying the use of measured variables at multiple time points, whether for simple analyses like tests of means or more complex analyses like modeling individual growth. Along the way they also mention: following your blocker, Pascal’s wager, Wikipedia empathy, ham
S4E24 Longitudinal Measurement Invariance Read More »
In this week’s episode Greg & Patrick talk with Dr. Ellen Hamaker from Utrecht University about the exciting and growing area of dynamic structural equation models. They discuss its tremendous substantive and methodological promise as well its assumptions and potential limitations. Along the way they also mention talking in acronyms, QSEM, cowardly bathroom stall phone
S4E20 Dynamic Structural Equation Models with Ellen Hamaker Read More »
