Skip to main content
7 votes
Accepted

How is the g-factor of intelligence calculated?

PCA or EFA: A standard approach to calculating a g factor would be to use principal components analysis (PCA) or exploratory factor analysis (EFA). Basically, you administer a broad battery of ...
Jeromy Anglim's user avatar
6 votes

Correlation between "mechanical aptitude" and IQ

Can you suggest me better literature? Am I using the wrong concepts? Are the references provided above "sufficient"? I recommend you take a step back and ask yourself what your question is, and ...
faustus's user avatar
  • 1,247
5 votes

Which personality traits are proved to correlate with any facial features?

Reading people's faces to determine their character is called physiognomy. Some might downplay the idea that it is real but scientists are nowadays starting to accept that there may be a ...
Chris Rogers's user avatar
  • 12.3k
3 votes
Accepted

Questions on Interpreting Factor Analysis Results and Scores

Is my approach in generating a distribution based on the samples' factor scores flawed? How do they do it in practice? I found this somewhat difficult to follow. But in general, you should be able to ...
Jeromy Anglim's user avatar
3 votes

Does sadism correlate with narcissism?

At least among a sample of high-school students the dark tetrad correlations look like: So there's only a moderate correlation between narcissism and sadism (0.37), but it turned out to be strongest ...
against very long user names's user avatar
3 votes
Accepted

Is there a correlation between schemas and social constructs?

Yes the two theories are related, but the theories come from two different fields, cogintive science and sociology. First the definitions : In psychology and cognitive science, a schema (plural ...
DesignerAnalyst's user avatar
2 votes

Correlation between "mechanical aptitude" and IQ

I would look at the research into natural abilities (including mechanical) being carried out by the Johnson O’Connor Research Foundation. Schmidt’s work, to my mind, is so broad and at population ...
Nick H's user avatar
  • 127
2 votes

What are the correlations between the facets of honesty-humility in HEXACO personality and the Dark Triad?

Lee and Ashton (2014) write: A few studies have directly examined the relations of the Dark Triad with the Honesty–Humility factor (as operationalized in the HEXACO Personality Inventory [–...
Jeromy Anglim's user avatar
1 vote
Accepted

Research correlating stress/boredom with eating/comfort-seeking?

Droid here are a couple of relevant studies: Experiments with rodents done by Kent Berridge found that: Stressed rats will expend more energy on obtaining pleasurable relief (in the form of food) ...
Nick H's user avatar
  • 127
1 vote
Accepted

Correlation used as explanatory device in ''The neuroscience of Intelligence'

The author is simply not being explicit. The correlation is neither r or r2, it is simply the relation between x and y. Pearson's correlation coefficient, or r is a measure of the linear ...
AliceD's user avatar
  • 20.7k
1 vote
Accepted

What type of data can we get from fMRI to calculate correlations?

The BOLD response is used in fMRI to provide a quantified measure of activation: https://en.wikipedia.org/wiki/Haemodynamic_response. It is based on the ratio of oxygenated vs. non-oxygenated blood, ...
Cameron Brick's user avatar
1 vote

Correlation between anxiety disorders and PTSD

Actually, epidemiological studies are not as clear-cut, showing some overlap/comorbidity Spinhoven et al. (2014): Prevalence of 5-year recency PTSD among anxiety and depressive disorders was 9.2%, ...
against very long user names's user avatar
1 vote

Correlation between anxiety disorders and PTSD

TLDR The DSM-5 recognises the epidemiology of anxiety within PTSD, and the reason for the lack of genetic correlation is the fact that in PTSD, the anxiety is exogenous (environmental) rather than ...
Chris Rogers's user avatar
  • 12.3k
1 vote

Is there a correlation between schemas and social constructs?

Both are from the same field of psychology, To be looked at separately not correlation, I do not believe that one theorie has precedent over the other theorie, they both have value in their own ways.
Ralpho's user avatar
  • 11
1 vote

Are any kinds of behavior proved to correlate with estrogen levels?

Ehrhardt, A.A. (1978) states that A review of the behavioral effects of estrogen has to be divided on the basis of different time periods. During the critical phase of brain differentiation (which ...
Chris Rogers's user avatar
  • 12.3k
1 vote

What are the correlations between the facets of honesty-humility in HEXACO personality and the Dark Triad?

There's now a meta-analysis by Muris et al. (2017) which is a little more fine grained because also takes into account intercorrelation between these three; i.e. Muris et al. report effect sizes both ...
against very long user names's user avatar

Only top scored, non community-wiki answers of a minimum length are eligible