Openness
The personality dimension of openness can be meaningfully separated into the distinct, but correlated subtraits of ‘Intellect’ and ‘Openness to Experience’. The first reflects intellectual engagement while the latter indicates engagement with perceptual and aesthetic domains (DeYoung, Quilty, and Peterson 2007). Our large analysis of image type reveals that these users are most likely to have profile pictures other than faces, which reveals non-conformance with what is expected.
Most importantly, users high in openness are significantly correlated to the majority of features indicative of better aesthetic quality of their photos. In general, appealing images tend to have increased contrast, sharpness, saturation and less blur, which is the case for people high in openness. However, their photos are anti-correlated with color emotions and are less colorful. Naturalness is anti-correlated perhaps because of the artistic quality of images, fact reflected also by the correlation with the picture being grayscale. Image composition features confirm the color features findings. Edge distribution is the highest correlated feature, while smaller hue count, also indicative of simplicity is also correlated. Finally, the dynamic lines which should reflect emotion are significantly anti-correlated, again confirming that photos of users high in openness are low in emotion, albeit of artistic and aesthetic quality. For facial presentation, our results indicate these users display reading glasses, but not sunglasses and when a face is present, this is larger. In general, psychology research has shown that a person wearing reading glasses is more intelligent or has intellectual virtues (Hellstrom and Tekle 1994). Facial emotions confirm the findings of the color features. Photos are higher in negative emotions, particularly anger, and lower in attention, smiling, valence and positive emotion, especially joy.
(original)
Openness can be meaningfully separated into the distinct, but correlated subtraits ‘Intellect’ and ‘Openness to Experience’ The firstreflects intellectual engagement while the latter indicates engagement with perceptual and aesthetic domains. Users high in openness are significantly correlated to the majority of features indicative of better aesthetic quality of their photos.
(summary)
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