Playlist: Study Design & Validity

S2E02: The Auto-Regressive Cross-Lagged Horror Picture Show

Patrick and Greg open with a disagreement about time travel movies, which then somehow devolves into a discussion of alternative approaches to modeling longitudinal data. They agree that a core issue to consider is the separation of within-person and between-person components of change over time, both theoretically and analytically. Throughout the discussion they also mention …

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Episode 26: The Internal Validity Pre-Flight Checklist

Greg and Patrick talk about internal validity — broadly and traditionally — but also as an increasingly important lens through which to view our information-saturated world, and be responsible, critical, and skeptical members of scientific communities as well as society. Along the way, they also mention gargling bleach, 5G cell towers, vaping lysol, fecal transplants, …

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Episode 25: Reviewer 2 — A Love/Hate Relationship

Patrick and Greg draw on their experience in author, reviewer, and editorial roles to talk about the manuscript review process, and offer strategies for revising a manuscript and crafting a letter in response to editorial guidance and reviewer feedback. Along the way they also discuss spring break for octogenarians, spitting on graves, being flabby and …

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Episode 23: Carlo. Monte Carlo.

Patrick and Greg spend an hour stumbling through the world of Monte Carlo computer simulation methodology as a way of knowing within the quantitative sciences. They also delve into: bad ideas, the Dans in Patrick’s life, unique Zoom backgrounds, typical birth weights, theoretical models underlying reading glasses, Jan Ken Pon, being due, archery, blue and …

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Episode 21: Integrative Data Analysis — The Quest for a Cooperative, Cumulative Science

Patrick and Greg are inspired by the community support we are witnessing during this time of crisis, and they expand this discussion into the community of science. They drill down into the collaborative approach of integrative data analysis in which models are fit to data that have been aggregated across multiple independent samples. They also …

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Episode 17: Planned Missing Designs (or, How to Beat a Metaphor to Death)

Greg and Patrick start with what seems like a reasonable metaphor linking musical compositions to planned missing data designs, and then they proceed to beat it to death. Then, just when you think they’ve buried it, they dig it back up and beat the carcass some more before eventually just running out of time. In …

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