Marcus Crede
Grumpy IO psychologist with an interest in research methods, meta-science and personality. Convinced that psychology is 95% fraud and incompetence but trying to move the needle.
Begrawe my hart op Klein Tambotieboom en strooi my as oor die Bosveld horison
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- My parents bought a farm in Africa - without knowing anything about farming (or much about Africa).
- Why Should You Trust Research Published in #PsychologicalScience? Read @simine.com's Editorial, NOW online
- This is great, although I wonder if the journal has any plans for the avalanche of underpowered, badly designed click-bait articles that the journal published in the past. They are great for teaching students how not to do research but they also continue to get cited and used by some researchers.
- Open Science peeps: Do you know of any area-specific or journal specific figures for open science practices e.g., "X% of papers published in journal A pre-registered their hypotheses in this time period"? Finishing up a review in my own field and would love to give some comparisons.
- Interesting early morning reading. I have no idea if these actions are generally effective. What's the role of the former lawyers in something like this? Do they get sanctioned? If so, how?
- Data Colada has submitted a motion for sanction against Francesca Gino and her former lawyer team. I hope the court rules in their favor. It will be a powerful message that sleuths can expose fake research without fearing legal consequences. storage.courtlistener.com/recap/gov.us...
- Just last night I stumbled across another serial fraudsters in my field. But I have learned my lesson that the repercussions of blowing the whistle are far too great for myself so I will do nothing.
- If you see this, post the most recent phot of yourself from your camera roll. No cheating! (I minorly cheated to edit my child’s face out- she wanted to go “Fancy Grocery Shopping”)
- I'm relatively confident that I have never taken a photo of myself.
- Your brief reminder that not understanding basic methods and statistics can lead entire field astray. Three quick examples:
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View full threadMisunderstanding from Duckworth, at least two reviewers, an editor, who knows how many readers...
- Yeah. Those errors just jump off the page on a first read. How this was not caught earlier is beyond me.
- Misunderstanding the need for a control group (among many other methodological sins) led Cuddy to conclude that power-posing was associated with an increase in feelings of power. This led to a cottage industry of power posing research and consulting.
- Misunderstanding factor analysis led Woolley et al. to infer the presence of a general "collective intelligence" factor in group performance. This error led to many articles, a handbook and even an entire center at MIT devoted to research on "'collective intelligence".
- Misunderstanding factor analysis & the probability-odds distinction led Duckworth et al. to infer the existence of a "grit" factor & that high levels of "grit" are associated with a big increase in the likelihood of persisting. The entire "grit" cottage industry is based on these errors.
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- I've never been asked to write one but do feel sorry for those who probably get inundated with requests. Universities really should pay something for all this labor that they ask the same people to do over and over again.
- You and millions of other people rely on the NPR Network for trustworthy journalism. NPR’s editorial integrity and independence are non-negotiable. It’s a promise we make to you – a promise we will fight to keep. Now, we need your support. Donate today: n.pr/3EYClNR
- Stop platforming Nazis and my family might donate again.
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- 2 angry men. Lien. Coo.
- Totally agreed. I love still reading to our youngest and dread the day that she decides that my funny voices aren't funny anymore.
- Video: NPR talks with Steve Bannon about Trump’s first 100 days. Judges, including Trump appointees, have blocked many Trump actions, which Bannon describes as a “judicial insurrection.”
- I am horrified that you would give this man a platform. What is wrong with you??
- After 25 years of living in the USA I still don't understand why it is baseball (rather than football, basketball or even hockey) that is characterized by so much weird macho posturing. Is it an attempt to compensate for the ridiculous outfits?
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- Yes! There's something I can get behind.
- So it turns out that Trump thought that he was defunding Harlem - not Harvard. www.the-independent.com/tv/news/trum...
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- I'd also be surprised if @jamesheathers.bsky.social was on the board if this really is a predatory journal.
- psycnet.apa.org/record/2026-... replicationindex.com/2025/04/27/r... So many supposed "pillars" of social psychology have bitten the dust over the last decade. Why is it that there seems to be so little anger and rage at the underlying incompetence and dishonesty?
- Isn't anyone pissed that they were misled and so much time, money, energy, & journal space were wasted? All those poor graduate students laboring in the labs of these jokers for decades. All the undergrad students taught this stuff in their intro courses. Was it all just a game?
- To be clear - my own field (IO psychology) has mostly refused to even bother to undertake the replication efforts that led to these realization - or commit to open science practices - so we are in an even worse position.
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- Congratulations although my mind is slightly boggled that you were not already a Full Professor considering your incredible achievements.
- PSA: If you want to compare whether an association varies between groups (i.e., you're interested in an interaction) but you also note that the groups differ in some variable that could "explain away" any interaction -- then you need to interact that variable with the predictor to control for it.
- Yes!!!! I've been yelling at the void about this for years. Thank you for writing this.
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- The typical journal article from the organizational sciences should probably be in the top 10.
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- I am fully resigned to the fact that I will never have a successful grant application.
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View full threadGreat points!! I'd add two things. 1) We have to be better at supporting those who teach quant and methods in both resources/pay and when it comes to hiring/promotion. Currently quant training is not incentivized or recognized by many departments.
- 2) We also need to get the basics right. We often seem to pay more attention in our teaching and pubs to fancy stats models but little attention is given to issues of measurement and design. If we can't measure our variables or design studies to answer our questions, R will be of very little help.
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- That sounds dreamy - and I mean that without any sarcasm. Important question though: Are the perennials on sale in this wonderful (but entirely implausible) fantasy you've concocted?
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- That sounds like a Millennium Prize Problem.
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- 100% Agreed. The potential off-the-field liability is immense. Drafting him also pretty much guarantees a very vocal dad publicly questioning every coaching decision you'll make.
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- Amazing work!
- Nobel prize winner Max von Laue died on this day 65 years ago after a tragic car accident. He is known as one of the few German scientists who had the courage to stand up to the Nazis. He was also my great-grandfather so I thought I’d share some interesting facts about him. A brief thread.
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View full threadHe assigned a topic to his student Leo Szilard for his dissertation but Szilard was not a fan of the topic. On a hike he had a different idea that he turned into a paper.
- Afraid to show it to von Laue, Szilard instead sent it to Einstein who apparently called von Laue almost immediately to tell him of the paper’s brilliance - and Szilard was awarded his PhD very soon thereafter.
- When the Nazis came for his gold Nobel medal the chemist George de Hevesy dissolved the gold in acqua regia and hid the solution in plain sight. The medal was recast after the war.
- He sent his son to the USA in 1937 because he did not want him to grow up “in a country run by gangsters”. Fortuitously for me he did not send his daughter (my grandmother). As a kid I had a long exchange of letters with his son who became a professor of history.
- He was perhaps the first scientist to visit Einstein In Zurich and they became life-long friends. The first and last guest book entries at Einstein’s lakeside house in Berlin were by von Laue. He was an assistant to Max Planck but ended up winning the Nobel Prize before Planck did (1914 vs 1918).
- He was a solo winner of the Nobel Prize but shared the prize money with the two physicists who designed the apparatus needed to test his theory. A possibly apocryphal story is that during the Nazi era he would leave the house carrying books or packages to avoid having to give the Nazi salute.
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- Done!
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- Another AI gem: A "squirrel in my flask" likely refers to a slang term used in cycling culture. It describes a cyclist who is riding erratically and recklessly, weaving in and out of traffic in a disorganized and unpredictable way.
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- Nice to see that even Nature will publish causal claims on the basis of observational data. 😒
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- There are lots of reddit communities of people who relocate at high base rates: e.g., military, religious groups (e.g., LDS), retirees.
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- mcrede@iastate.edu
- I've gotten very nasty (and to be honest - very scary) letters from the lawyers of offenders.
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- Agreed about the measurement error but would the construct validity issue not apply to interactions in a similar way? I've not had enough coffee today to think coherently.
- I know that imperfect reliability and imperfect construct validity make detection of interactions in observational research more difficult and am trying to wrap my head around the implications of that for experiments. We know that construct validity of manipulations is often quite poor.
- Wow, I got this automated certificate about how a paper of mine has been viewed a bunch. But...wait a minute...what does this say at the bottom?!?
- Paper claims pre-registration. Paper was first submitted in May 2023 and the alleged pre-registration is time-stamped November 2023. Sheesh....
- The number of researchers in psychology who run "fancy" statistical analyses without having a clue about what they are doing is really disturbing. The fact that editors and reviewers - the supposed experts on these matters - don't pick up on this stuff is even worse. Psychology is hopelessly broken.
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- I think that there are plenty of psychologists with really great quantitative training. But most of them have very little impact on how the vast majority of research is conducted.