Magnus Karlsson-Good
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mkgood.bsky.social
Magnus Karlsson-Good
@mkgood.bsky.social
920 followers 1.4K following 99 posts
Clinical psychologist and doctoral student working to improve internet-based CBT. Interested in stats and open science. #ClinPsych #cbtworks

https://www.oru.se/english/employee/magnus_karlsson-good
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Reposted by Magnus Karlsson-Good
Problems with the so-called gender equality paradox
statmodeling.stat.columbia.edu/2025/11/25/p...
Problems with the so-called gender equality paradox | Statistical Modeling, Causal Inference, and Social Science
statmodeling.stat.columbia.edu
November 25, 2025 at 2:53 PM
Reposted by Magnus Karlsson-Good
cameronpat.bsky.social
this is one of my favourite observations about sample size calculations. (afaik first articulated by Miettinen in 1985)
"On the first, and pivotal, level the decision is a binary one—the choice between zero and nonzero as the size. Validity considerations alone are often sufficient to imply that zero is the optimal size" - O. S. Miettinen "Theoretical Epidemiology" (1985)
November 25, 2025 at 10:56 AM
Reposted by Magnus Karlsson-Good
dsquintana.bsky.social
There is no reason why systematic reviews can't be open. The data used for synthesis is *already* open and there are many excellent open source tools that can facilitate the easy sharing of analysis scripts.

Here's a nice guide for performing open systematic reviews doi.org/10.1525/coll...
This paper provides guidance and tools for conducting open and reproducible systematic reviews in psychology. It emphasizes the importance of systematic reviews for evidence-based decision-making and the growing adoption of open science practices. Open science enhances transparency, reproducibility, and minimizes bias in systematic reviews by sharing data, materials, and code. It also fosters collaborations and enables involvement of non-academic stakeholders. The paper is designed for beginners, offering accessible guidance to navigate the many standards and resources that may not obviously align with specific areas of psychology. It covers systematic review conduct standards, pre-registration, registered reports, reporting standards, and open data, materials and code. The paper is concluded with a glimpse of recent innovations like Community Augmented Meta-Analysis and independent reproducibility checks.
November 24, 2025 at 12:10 PM
Reposted by Magnus Karlsson-Good
dieworkwear.bsky.social
A friend who teaches theology shared with me a post about CS Lewis's Mere Christianity, which discusses foundational Christian logic across denominations. It reminded me of Dale's tweet below, and I wanted to share some thoughts here regarding modesty and respectability, which are often hot topics.
Dale Partridge on Twitter writes: "Feminist media is BIG mad about me saying that women shouldn’t wear underwear (leggings and sports bras) as outerwear. As Pearl says, “It’s amazing how hard women will fight to be naked.” Immodest ladies, read 1 Tim. 2:9, repent, and follow Christ." Attached are two images. Image 1 headline: “Outraged pastor slams worker at quaint coffee shop for wearing ‘sinful’ leggings and sports bra in front of kids” Image 2 headline: “‘Make sin shameful again’: Pastor sparks row after sports bra complaint”
November 23, 2025 at 7:35 PM
Reposted by Magnus Karlsson-Good
ruben.the100.ci
Sasha Gusev declares case closed by comparing studies that assessed different traits using different measurement methods in different countries at different times with different estimands for heritability, ignoring the denominator (total variance).
Academics who disagree are "overly cautious"
sashagusevposts.bsky.social Sasha Gusev @sashagusevposts.bsky.social · 4d
I wrote a little bit about the "missing heritability" question and several recent studies that have brought it to a close. A short 🧵
The missing heritability question is now (mostly) answered
Not with a bang but with a whimper
theinfinitesimal.substack.com
November 23, 2025 at 2:01 PM
Reposted by Magnus Karlsson-Good
alyssaasmar.bsky.social
Believe in growth mindset? Alex Burgoyne’s talk at #psynom25 might change your mind. Their meta-analysis found that growth mindset interventions did not predict academic achievement once publication bias and study quality were accounted for. 1/
November 22, 2025 at 10:18 PM
Reposted by Magnus Karlsson-Good
mariely.bsky.social
The trauma and grief these women experienced—having a stillborn baby or losing the baby after birth means you still produce breastmilk. You still have 10 mo of hormonal changes that will not disappear overnight. To have this pain trivialized & erased is truly filthy.

Accountability is required
theguardian.com The Guardian @theguardian.com · 3d
Influencers made millions pushing ‘wild’ births – now the Free Birth Society is linked to baby deaths around the world
Influencers made millions pushing ‘wild’ births – now the Free Birth Society is linked to baby deaths around the world
A year-long investigation reveals how mothers lost children after being radicalised by uplifting podcast tales of births without midwives or doctors As Esau Lopez was asphyxiated for the first 17 minutes of his life on Earth, the atmosphere in the room remained serene, even ecstatic. Acoustic music crooned from a speaker in a modest two-bedroom apartment in a suburb of Pennsylvania. “You are a queen,” murmured one of three friends in the room. Only Esau’s mother, Gabrielle Lopez, felt something was wrong. She was pushing hard, but her son would not be born. “Can you help [him] out?” she asked, as Esau crowned. “Baby is coming,” the friend replied. Four minutes later, Lopez asked again, “Can you grab [him]?” Another friend murmured, “Baby is safe.” Six minutes passed. Again, Lopez asked, “Can you grab [him]?” Continue reading...
www.theguardian.com
November 23, 2025 at 6:18 AM
Reposted by Magnus Karlsson-Good
emilyherring.bsky.social
This from @davidbatherwoods.bsky.social's biography of Schopenhauer is sending me
November 17, 2025 at 9:15 PM
Reposted by Magnus Karlsson-Good
jenjennings.bsky.social
"Academic accommodations for anxiety convey two harmful messages. First, they imply that the feared situation is truly dangerous. Public speaking, testing, or lunch with classmates are too risky...Second, they suggest that the student can’t withstand the distress. Those messages increase anxiety."
Schools Are Accommodating Student Anxiety — and Making It Worse
Removing stressors robs students of growth opportunities, writes TC's Ben Lovett and his co-author Alex Jordan
www.tc.columbia.edu
November 21, 2025 at 4:42 PM
Reposted by Magnus Karlsson-Good
sanjaysrivastava.com
Every once in a while I go back and rewatch this performance, and every time I'm glad I did youtu.be/6SFNW5F8K9Y
Prince, Tom Petty, Steve Winwood, Jeff Lynne, more - "While My Guitar Gently Weeps" | 2004 Induction
YouTube video by Rock & Roll Hall of Fame
youtu.be
November 22, 2025 at 4:20 PM
Reposted by Magnus Karlsson-Good
noamchompers.bsky.social
Getting journal rejections like
November 21, 2025 at 5:50 PM
Reposted by Magnus Karlsson-Good
dingdingpeng.the100.ci
Here's Ian's excellent talk on how "successful" theories aren't necessarily good ones:
youtu.be/GvZO_Xy5SdM?...
Dr Ian Hussey - The best theory is a flawed one: lessons from implicit bias research | RIOTS Club
YouTube video by RIOT Science Club
youtu.be
November 21, 2025 at 9:48 AM
mkgood.bsky.social
My two-year-old has really been two-year-olding it up this week. 🫠
November 20, 2025 at 6:56 PM
Reposted by Magnus Karlsson-Good
eikofried.bsky.social
70 teaspoons placed in tearooms around the institute & observed weekly over 5 months. 80% of spoons disappeared; spoon halflife~81 days. Communal room halflife lower than in specific labs. 250 spoons annually required to maintain 70 spoon population.

pmc.ncbi.nlm.nih.gov/articles/PMC...
The case of the disappearing teaspoons: longitudinal cohort study of the displacement of teaspoons in an Australian research institute
Objectives To determine the overall rate of loss of workplace teaspoons and whether attrition and displacement are correlated with the relative value of the teaspoons or type of tearoom. Design Longitudinal cohort study. Setting Research institute ...
pmc.ncbi.nlm.nih.gov
November 20, 2025 at 3:44 AM
Reposted by Magnus Karlsson-Good
joshmccrain.bsky.social
new paper by Sean Westwood:

With current technology, it is impossible to tell whether survey respondents are real or bots. Among other things, makes it easy for bad actors to manipulate outcomes. No good news here for the future of online-based survey research
November 18, 2025 at 7:16 PM
mkgood.bsky.social
This is my avengers.

(Gelman, Vehtari and McElreath writing a book together)
rmcelreath.bsky.social Richard McElreath 🐈‍⬛ @rmcelreath.bsky.social · 7d
Yes - on track for next year
November 18, 2025 at 6:50 PM
Reposted by Magnus Karlsson-Good
mkgood.bsky.social
I have seen this study making the rounds on bsky and think it is an interesting and worthwhile research question that deserves more awareness!

However, I have some reservations.

doi.org/10.1192/bjp....
Estimating the smallest worthwhile difference of recommended psychotherapies for depression: observational study | The British Journal of Psychiatry | Cambridge Core
Estimating the smallest worthwhile difference of recommended psychotherapies for depression: observational study
doi.org
November 17, 2025 at 9:54 PM
Reposted by Magnus Karlsson-Good
mattdpearce.com
I don’t want to seem out of touch but I don’t actually understand the economy anymore.
A LinkedIn ad showing Jensen Huang shaking hands with some vague fashion executive: L'OREAL 6,204,444 followers Promoted We're thrilled to announce a collaboration with NVIDIA to supercharge beauty with next-gen Al. WELCOME TO NVIDIA L'ORÉAL GROUPE
November 18, 2025 at 3:23 AM
mkgood.bsky.social
I have seen this study making the rounds on bsky and think it is an interesting and worthwhile research question that deserves more awareness!

However, I have some reservations.

doi.org/10.1192/bjp....
Estimating the smallest worthwhile difference of recommended psychotherapies for depression: observational study | The British Journal of Psychiatry | Cambridge Core
Estimating the smallest worthwhile difference of recommended psychotherapies for depression: observational study
doi.org
November 17, 2025 at 9:54 PM
Reposted by Magnus Karlsson-Good
andrew.heiss.phd
I recently discovered Conventional Comments (conventionalcomments.org) for providing a pseudo-standard set of labels for feedback and just tried it for an article review and it was really helpful to specify issues vs. thoughts vs. suggestions, etc. Hopefully it's helpful for the authors too!
We strongly suggest using the following labels: praise: Praises highlight something positive. Try to leave at least one of these comments per review. Do not leave false praise (which can actually be damaging). Do look for something to sincerely praise. nitpick: Nitpicks are trivial preference-based requests. These should be non-blocking by nature. suggestion: Suggestions propose improvements to the current subject. It’s important to be explicit and clear on what is being suggested and why it is an improvement. Consider using patches and the blocking or non-blocking decorations to further communicate your intent. issue: Issues highlight specific problems with the subject under review. These problems can be user-facing or behind the scenes. It is strongly recommended to pair this comment with a suggestion. If you are not sure if a problem exists or not, consider leaving a question. todo: TODO’s are small, trivial, but necessary changes. Distinguishing todo comments from issues: or suggestions: helps direct the reader’s attention to comments requiring more involvement. question: Questions are appropriate if you have a potential concern but are not quite sure if it’s relevant or not. Asking the author for clarification or investigation can lead to a quick resolution. thought: Thoughts represent an idea that popped up from reviewing. These comments are non-blocking by nature, but they are extremely valuable and can lead to more focused initiatives and mentoring opportunities. chore: Chores are simple tasks that must be done before the subject can be “officially” accepted. Usually, these comments reference some common process. Try to leave a link to the process description so that the reader knows how to resolve the chore. note: Notes are always non-blocking and simply highlight something the reader should take note of.
November 17, 2025 at 3:52 PM
Reposted by Magnus Karlsson-Good
orbenamy.bsky.social
📣 Digital Research Community!

The new UK Adolescent Health Study will follow 100k young people (8–18yrs) for 10+ years. Please share what digital technology measures you think it should include.

Please complete this survey (by 24th November 2025 @ 9AM): cambridge.eu.qualtrics.com/jfe/form/SV_...
Adolescent Health Survey - Digital Media
Expert guidance shaping digital media questions in upcoming Adolescent Health Study.
cambridge.eu.qualtrics.com
November 14, 2025 at 3:33 PM
Reposted by Magnus Karlsson-Good
sabrinanorwood.bsky.social
and other lies I tell myself
November 6, 2025 at 11:12 AM
Reposted by Magnus Karlsson-Good
toshi-frkw.bsky.social
Having said that, our NMA indicated that psychotherapies are stronger than drugs in producing sustained response up to a year by as much as 16 percentage points. onlinelibrary.wiley.com/doi/10.1002/...
Initial treatment choices to achieve sustained response in major depression: a systematic review and network meta‐analysis
Major depression is often a relapsing disorder. It is therefore important to start its treatment with therapies that maximize the chance of not only getting the patients well but also keeping them we....
onlinelibrary.wiley.com
November 13, 2025 at 3:34 AM
Reposted by Magnus Karlsson-Good
sinandrei.bsky.social
We released a pretty cool dataset/preprint today looking at video game play, cognition, time-use and a ton of self-reported psych measures at osf.io/preprints/ps... with @nballou.bsky.social @matti.vuorre.com @thomashakman.bsky.social @rpsychologist.com and @shuhbillskee.bsky.social RRs coming soon
Survey administration schedule across the 12-week study period. Participants completed biweekly surveys (orange) every two weeks, with US participants additionally completing daily surveys (blue) for the first 30 days. Cognitive tests (green) were administered during biweekly surveys at weeks 1, 5, and 9. Gray circles indicate days with no scheduled surveys. Retention percentages show the proportion of baseline participants (N=1978) who were still active at each measurement week (defined as having completed either a daily or biweekly survey at any time after that week) Diurnal play across Xbox, Nintendo, Steam. Sample of daily gaming patterns and mental wellbeing for three representative participants. Stacked bars represent total daily playtime across platforms. Orange line shows biweekly mental wellbeing scores (short WEMWBS) measured at six study waves. Participants were selected from those closest to the 25th, 50th, and 75th percentiles of total playtime, prioritizing those with the most varied multi-platform gaming behavior. Participant IDs: p9009984081 (25th percentile), p8809196928 (50th percentile), p7162729307 (75th percentile)
November 14, 2025 at 4:35 PM
Reposted by Magnus Karlsson-Good
philipcball.bsky.social
This is, of course excellent.
Genetic determinism is one of those one-single-technofix-will-solve-everything ideas that visionaries can fall prey to, and the history of genetics is lousy with hereditarians promising to end disease, make us smarter and better our society. We’re drawn to magic bullet solutions that cannot solve complex social problems. It is all too easy for someone who makes a genuinely profound discovery to think they have found the secret of life, or the environment, or disease.
November 16, 2025 at 5:10 PM