The Beauty paradox

Say I run an experiment in which I ask a panel of raters to rate the physical attractiveness and trustworthiness of 50 faces.

I average the panel's scores to get an attractiveness rating x and a trustworthiness rating y for each face.

Then I calculate the correlation coefficient, Pearson's r, between perceived attractiveness and perceived trustworthiness across the sample of faces.

• I observe a correlation of r=0.24

Can I trust this result?

Help, I can't remember what correlation is!

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