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S4E20 Dynamic Structural Equation Models with Ellen Hamaker

Uncategorized / 2 minutes of reading

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 […]

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S4E19 The Dark Art of Regression Diagnostics

Uncategorized / 1 minute of reading

In this week’s episode Patrick and Greg discuss the dark art of using regression diagnostics to assess how well assumptions are met in the general linear model, with applications to the wide array of related techniques. Along the way they also mention Big Pharma, Merriam-Webster, free-radical opioids, baguettes, antisocial personality disorder, Elon Musk, yoinked, Trinity

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S4E18 The Latent Variable Interaction Files

Uncategorized / 2 minutes of reading

In this week’s episode Greg and Patrick talk about what you can do when latent variables conspire to multiplicatively interact, focusing on the classic product indicator approach and the more recently developed method of  latent moderated structural relations. Along the way they also mention confession, being hardly sorry, conspiracy theories, Greg’s area 51 poster, trashed

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S4E17 Variable Transformations: Box-Cox, Fox in Socks

Uncategorized / 2 minutes of reading

In this week’s episode Greg and Patrick discuss variable transformations, both linear and non-linear, and explore the potential pros and cons of using these in applied research settings.  Along the way the also discuss prank phone calls, English drama, rapping Dr. Seuss, persnickety estimation, weekly banana intake, it don’t make no never mind, Jeffry Bezos,

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S4E15 Flipping Our Hypotheses to Test Equivalence

Uncategorized / 2 minutes of reading

In this week’s episode Greg and Patrick discuss how we might flip the traditional null and alternative hypothesis testing procedures to move us from tests of literal equality to tests of practical equivalence. Along the way they also discuss tough love, horseshoes and hand-grenades, Patrick’s Driving School, Cheyenne Mountain, So Long and Thanks For All

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S4E13 Model-Based Power Analysis…The Power of *What*

Uncategorized / 3 minutes of reading

In this week’s episode Greg and Patrick revisit a topic they addressed in their 2nd-ever episode: statistical power. Here they continue their discussion by attempting to clarify the power of what, and they explore ways of obtaining meaningful power estimates using the structural equation modeling framework. Along the way they also discuss tearing arms off, German

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S4E12 Secret Father Christmas Actually

Uncategorized / 1 minute of reading

In this week’s episode the employees of Quantitude International, including some very special guests, treat Greg and Patrick to a Secret Santa (ahem….secret Father Christmas) office party that they will not soon forget. Along the way they also mention mince meat pies, bangers, gits and tossers, Qurling (trademark pending), Vengeance Spice, hostage negotiation, Kevlar, Cantucky,

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S4E11 The Centrality of Noncentral Distributions

Uncategorized / 1 minute of reading

In today’s episode, Patrick and Greg talk about those critical distributions that often go un-discussed — noncentral distributions — including their relation to the more familiar central distributions, their role in power and sample size determination, and how they are used in assessing data-model fit. Along the way they also mention back porch reading, latent

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