Playlist: Structural Equation Modeling

S2E33: Truth, Balderdash, and Construct Validity

In this episode Patrick and Greg construct a deconstruction of the construct of construct validity. Constructively. Along the way they also discuss Jacques, sheep STDs, Bill Clinton, college admissions, touching a giant turtle, butwinking, cadaver bingo, nomological networks, teen spirit, playing drop-the-hanky, ticket to the prom, and lipstick on a pig. 

S2E26: MLM vs. SEM: Opportunities for Growth

In this episode Greg and Patrick attempt to resolve long festering relationship issues that arise between the multilevel modeling and structural equation modeling approaches to growth curve analysis. Along the way they also discuss first dates, Jets and Sharks, Cubs and Cardinals, Montagues and Capulets, Tsingtao Beer, Thunderdome, stupid LISREL tricks, pressure math, dirty secrets, …

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S2E24: The Equivalent Models Problem

In this episode Greg and Patrick explore the freakish and terrifying topic of equivalent models, particularly as they arise within the structural equation modeling analytical framework. Along the way they also discuss rinsing toes, palindromes, anagrams, being a tad unquiet, under-teaching, double-secret probation, scary cousins, sausage makers, Tribbles, empty beer bottles, Hard Core History, a …

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S2E23: Research Questions About Variability

Patrick and Greg talk about variability — both within individuals and within groups —  as a source of really interesting and often overlooked research questions, to complement our well-developed skillset for studying means. Along the way, they also mention: Natatoriums, finding your spot, picking at a scab, the Polkaholics, Location Scale models, high-fiving statisticians, Inception, …

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S2E21: Yes, Virginia… There ARE Latent Variables

In this episode Patrick and Greg talk about latent variables: what they are, why we care, and under what circumstances we can analyze them directly. Along the way they also discuss: BWI, dadgic, Patrick’s bromance, the economy, Chris Botti, inter-planetary probes, Gronk, 118 degree dry heat, the evil eye, and Dora the Explorer.

S2E18: Regression — Like That Old High School Friend You’ve Outgrown

In this episode Patrick and Greg compare and contrast multiple regression and the structural equation model and argue that although regression has brought us far, there are numerous reasons to turn to the SEM to continue to drive us forward. Along the way they also address gad flies, the Louisiana Purchase, Kool-Aid, high school friends, …

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S2E08: Mediation and the Art of Squid Spleening

In this episode Patrick and Greg follow up last week’s discussion of moderation by tackling its partner in crime, mediation, including causal challenges, ways of  testing, and how they think about it as part of a larger analytical system. Along the way they also manage to discuss word association, personal grievances, light switches, the Concord, …

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