Questions tagged [statistics]
For questions about statistical methods that might be appropriate for certain paradigms within psychology, psychiatry, neuroscience, or cognitive science.
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questions with no upvoted or accepted answers
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Testosterone in women vs. estrogen in men?
It is known that women with higher estrogen are more likely to find men with higher testosterone as more attractive. Positive feedback is also known.
But are women with higher testosterone level are ...
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What to do when you have a speed-accuracy trade-off in your data?
Many studies report that a speed-accuracy trade-off (SATO) did not occur in the data since there is a positive correlation between RTs and error rates. In other words, people took longer to respond ...
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Any statistics on the likelihood of, consumption frequencies and dosages required for serotonin syndrome to occur with LSD?
This may be too obscure of a question to have sufficient, if any, statistics on it. If that's the case, any relevant information is appreciated.
From what I've gathered, very high doses and/or very ...
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Does Emotional Intelligence (EQ) demonstrate the Flynn Effect?
The Flynn Effect is a well-known phenomenon whereby Intelligence Quotient (IQ) test scores among the general public seem to rise over time.
Does Emotional Intelligence (EQ) demonstrate the Flynn ...
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Calculating Significantly Above Chance for 3-AFC Test
I am trying to figure out which participants who took a 18-item multiple choice test scored significantly above chance. Each item has 3 choices, so the probability of getting each question correct is ...
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Do I report all anatomical regions in a large significant cluster identified in functional connectivity seed-to-voxel analysis?
I am conducting a resting-state functional connectivity seed-to-voxel analysis on the 25 participants from the NYC test-retest dataset using the CONN toolbox with the Posterior Cingulate Cortex of the ...
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Is there an extension of multinomial process models that incorporates response latencies?
In an experimental setting where a categorical response has to be given, the same response can, in theory, be generated by different latent processes. For example, in an experiment where participants ...
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How to analyse accuracy, hits and false alarms in e-prime?
It's the first time for me to do analyses with e-prime, and I have to analyse some data from an experiment. The data are, at the moment, in e-prime. I'd like to have the accuracy, the hits, and the ...
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Using Exploratory Factor Analysis for Items That Belong to Different Scales
I have a quick question about factor analysis from different scales. Is it advisable to use, conjunctly, items from various measures? For example, say that I want to evaluate factors that most ...
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Self-report measures always correlate? Research legends or the truest truth
Once upon a time a couple years B.C. (BC stands for before coronavirus), when I was a student, I asked my advisor about using two questionnaires in my research. One was some emotional intelligence ...
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On performing threshold-free-cluster-enhancement permutation tests--in combination with SPM--and then displaying the results on an MNI template
I'm trying out numerous comparison correction methods on my fMRI dataset and I've encountered multiple papers which used threshold free cluster enhancement, which I'd like to incorporate, but I'm ...
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Do different ethnic groups have the same standard deviation of the IQ distribution?
There is a lot of research suggesting that different ethnic groups either within US or worldwide if all plotted together would have distributions of IQ with different averages. The reasons for that ...
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Ability of fixed-effects analyses to enable generalisation of results
Is it correct to say that, when making inferrence on the results of an experiment, using a random-effects (RFX) rather than a fixed-effects (FFX) model merely makes the results more generalisable, as ...
- 919
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Statistic analysis on EEG data - how to deal with it properly?
Let's assume that I have a datasheet looking like that:
...
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Task-based fMRI dataset with very simple task (e.g. view stripes)
For my Bachelor thesis I need an fMRI dataset in order to look for causal relationships. I want to be able to confirm my work, so the causal relationships should already be known. Therefore, ideally ...
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