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2:20 PM
> ACB-years exposure was uniquely related to severity of negative symptoms (β = 0.144, p = 0.004), poor psychosocial functioning (β = 0.186, p < 0.001) and poor cognitive performance (β = -0.273, p < 0.001). pubmed.ncbi.nlm.nih.gov/38237360
I don't understand this. Isn't the beta limited to zero as its lowest value? They give a negative beta value in their last parentheses.
And generally the beta values seem high, aren't they? I mean shouldn't they be lower for the study's conclusions to have a proper strength?
 
 
2 hours later…
4:29 PM
@CowperKettle What's 'beta' here? I'd guess a regression coefficient
 
 
3 hours later…
7:49 PM
@CowperKettle: if the betas are regression coefficients, then of course they can be negative. And generally speaking, the larger the (absolute) coefficient, the stronger the relationship. I'm a bit unclear what your question is here.
 
 
2 hours later…
9:55 PM
@StephanKolassa Oh. I thought the beta was part of the "Type II error" calculation en.wikipedia.org/wiki/Type_I_and_type_II_errors
It has been a long time since I delved into statistics.
> Correct inference
(true positive)
(probability = 1−β)
 

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