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Don Lynam @drlynam.bsky.social

Just accepted from @vizecolin.bsky.social and myself. We coded Open Science practices (preregistration, RRs, open data, and open code) from 2021 to 2024 in two personality disorder journals (JPD, PDTRT) and three personality journals *JOP JRP, and EJP). osf.io/preprints/ps... 1/5

sep 19, 2025, 2:50 pm • 4 1

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Don Lynam @drlynam.bsky.social

There is some great news in this paper. If you are a personality journal. Across 553 coded articles, the rates for code, data, and preregistration are 65%, 59%, and 25%. @europeanjournal of personality is killing it. Almost 100% of articles published there share code. 2/5

sep 19, 2025, 2:50 pm • 2 0 • view
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Don Lynam @drlynam.bsky.social

There is also bad news. If you are a Registered Reports (RR) or a PD journal. RRs are still almost non-existent. PD journals are failing at showing their work, although PDTRT is doing better than JPD. Across 299 coded articles, rates for code, data, and preregistration are 13%, 13%, and 9.7%. 3/5

sep 19, 2025, 2:50 pm • 1 0 • view
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Don Lynam @drlynam.bsky.social

I find it embarrassing for the PD field. Our next door neighbor is putting us to shame. We can (and must do better). Make your work transparent. Expect it of others. If authors won’t share ingredients (data/code/prereg), don’t eat there—don’t read it, don’t cite it. Secrets aren’t science. 4/5

sep 19, 2025, 2:50 pm • 0 0 • view
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Don Lynam @drlynam.bsky.social

Finally, Colin and I explain why this paper was itself not preregistered (although data and code are available) and what are the implications of that. 5/5

sep 19, 2025, 2:50 pm • 1 0 • view