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  • 22 votes cast
Dec
5
asked Free online survey and diary software for conducting experience sampling studies
Dec
5
comment Public domain scientific intelligence test available for use in research
I also think PEBL is great, but why is this the accepted answer? I only see some subtests that relate to IQ, but the PEBL tests don't meet your requirement #2, there are no norms. @Jeromy what did you end up using?
Jul
30
awarded  Scholar
Jul
30
accepted What are different ways to determine centroids of fMRI activation, their drawbacks and perks?
Jul
13
awarded  Teacher
Jul
13
answered Web-based tools for documenting studies?
Feb
4
comment Is variation in human brain size related to mental functioning?
I think Rushton is your guy. scholar.google.com/… springerlink.com/content/r173v725160tn626
Feb
4
comment What are different ways to determine centroids of fMRI activation, their drawbacks and perks?
Thanks for your reply, Jeff. This is pretty much what the authors did and what I took issue with though (except for using clustering which doesn't seem to be a remedy for "throwing away information", might even be worse). I know how classical hypothesis testing works, but if the research question is about the separation of areas (not about "is this voxel active", which it never should be), then I think this multistage analysis discards information that could have served to improve the estimate. Maybe this can not be resolved in a frequentist approach.
Jan
31
comment What are different ways to determine centroids of fMRI activation, their drawbacks and perks?
Thanks for your answer. I realize this is also a statistical question, but because it seems to be a common method in neuroscience even though the deficits are obvious, I thought I'd ask here. Their scans weren't spatially normalized, they looked at intraindividual differences (conditions were within-subject) which makes more sense I suppose (or do I misunderstand you?). What do you consider the reason data like this is not commonly analyzed in the fashion you propose (I've been told it isn't, this old article maybe doesn't do the field justice)?
Jan
31
awarded  Supporter
Jan
29
awarded  Student
Jan
29
revised What are different ways to determine centroids of fMRI activation, their drawbacks and perks?
extended summary of what the authors did in this example
Jan
29
awarded  Editor
Jan
29
revised What are different ways to determine centroids of fMRI activation, their drawbacks and perks?
added 3 characters in body; edited title
Jan
29
asked What are different ways to determine centroids of fMRI activation, their drawbacks and perks?
Jan
22
awarded  Autobiographer