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I am almost done with my draft of the letter to the editor. The bulk of it is from @ME/CFS Skeptic's draft, so it's really more of a revision of that. @EndME and @Jonathan Edwards, would you both still like to be co-authors on the letter? If so, I was thinking I'd share a private google doc...

Apologies for being absent, my health has taken a turn for the worse so I've had to cut back on how much time I'm spending on this. I've been slowly working on a draft of a letter in the mean time but it probably won't be ready for another week or two. @ME/CFS Skeptic your letter is great and...

On the surface this sounds like evidence of peripheral fatigue, right? The participants are told to try to squeeze as hard as they can for as long as they can but they can't do it for as long, I would assume because their muscles became fatigued more quickly with time. This also happens to the...

I think that this is as important and valid a critique as any of the methodological flaws we've found. I think this alone should be a letter to the editor, the task should never have been used in this way because it cannot isolate preference (this is also why the question is a useless question)...

As far as I can tell, despite claiming to have made all analysis code publicly available, they did not share any of the EEfRT analysis code. I've rerun the GEEs in R but I had to write it from scratch so it's definitely possible I did things differently than they did. I'm also having a hard...

I think that this is a really important point. This is a complete misrepresentation of EEfRT. *Editing because it's more nuanced than my original response* Technically the primary measure of the EEfRT task is Proportion of Hard Task Choices (PHTC). However, Wallit is using a slight of hand...

The lab I worked in ran 1 participant per day and the visit took the full day. We would review participant data quickly at the end of the session to make sure that there weren't mechanical issues screwing up the data, which is pretty common, but we would never flag someone as invalid based...

It stands for Generalized Estimating Equation, it's the statistical model that Wallit used to analyze the EEfRT data. They're pretty complicated and much of the nuance goes over my head, but they allow you in this case to model the data at the trial by trial level, so each participant...

Yeah I think they would likely push back on it being an arbitrary choice. It could be something to look for in the other EEfRT studies, whether others pick a cut point for what's considered an adequate completion rate.

This response is infuriating (the whole message, not just this quote). Can someone correct me if I'm wrong here: they keep claiming in their communication about the study that effort preference was related to decreased activation in the right TPJ but as far as I can tell, they didn't actually...

I named the category hard_task_completer, with 1 indicating success rate on hard tasks above 90% and 0 success rates on hard tasks below 90%. When you add it to the GEE, the effect of mecfs vs control group becomes non-significant while the effect of hard_task_completer is significant. I think...

This is great! It's is gold for the critique. There is an established precedent in the literature for performing individual calibration of the hard task when the EEfRT is applied to a disabled population. Wallit et al failed to follow precedent, resulting in invalid data.

I'll take a look! I'd be up for taking on a portion if it'd be helpful.

We understand the findings perfectly well. The issue is that we disagree with their weaponizing of pseudoscience to string together a theory that has no basis in reality. I honestly don't know how I would respond to this, it feels very condescending.

@Karen Kirke any chance you could share the SF-36 data file with me or let me know how I could request a copy? Is my understanding correct that it wasn't included with the Wallit 2024 data so you had to request it separately? ~EDIT: Never mind, I found your post about how to request access...

@EndME I know you've read a bunch of EEfRT papers at this point, have any of these studies asserted that EEfRT is meant to measure "effort preference"? As far as I can tell, Wallit seems to have invented the construct as they make no reference to any studies that actually use the term "effort...

That's great to know. It would especially be helpful to have some folks contribute who have experience with the PACE initiatives and can contextualize why this may seem like a minor detail but has major implications for the community. Brian seems like the perfect co-author given his psych...

And as our reward... drum roll please... More info about HV F! I wrote the authors asking why HV F was excluded in the analyses, and was told (paraphrasing here) that the participant did not follow instructions. Sure sounds like @Sam Carter @Murph and @EndME hit the nail on the head...

@bobbler @Murph @Karen Kirke I love all of your visualizations, they've been really helpful for trying to see all of the pieces at play, it's so hard to visualize these at the trial-by-trial level but y'all nailed it 100% I second this @Evergreen :party:

Sorry I haven't been very active the past two days, all this work has me crashing pretty hard. Yes I think I'd like to write a letter to the editor arguing that the task was misused and that the results were misinterpreted, based largely on the 65% completion rate finding. I worked in an...