Note that this group had to have a baseline score of ≥45, which limits the proportion of high scores.
Here is what they said about possible ceiling effects in the main text
If one crunches the numbers, the group with the lower initial scores (A) increased by an average of 16.9 points or more.
While the group with the higher initial scores (B) increased by a maximum of 2.7 and could even have decreased.
So a treatment ceiling (i.e. that they could only improve so...
They are not conceding anything by saying there is a ceiling effect in my view. 100 can be a ceiling. There could be a situation where people were at an average of 90 initially and you can't expect them to get that much better so there is a ceiling effect there. (Say a weight loss program where...
Regression to the mean is an interesting possibility.
I'm not 100% sure what you're saying: they are saying that because the higher group didn't do as well, that's likely because they were already near the maximum (ceiling effects). There could be situations where this arises.
However, based...
If one didn't want to read the whole thing, the results section covers the vast majority of what is interesting.
One wouldn't need to know much (or anything?) about science to read this. Nor do I think language is particularly difficult, at least for a native speaker.
These were people who are taking part in the NorCAPITAL drug trial. They weren't seeing them as therapists from what I recall.
Fukuda criteria
We don't know anything about. Here is some information from another paper on the trial.
Note that the hobby refers to before they became ill.
I...
It can be useful to beware of such a background. But in this case I found the paper to be sympathetic. There was no mention of CBT, GET, rehabilitation programmes. Nor really of anything regarding maladaptive beliefs.
The introduction was not very exciting and I wondered how the paper would go...
It would be interesting to know. However, one factor may be that there weren't many applications. Over the years, there hasn't been a huge amount of research in Canada.
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