The Big Five and Big Two personality factors in Mongolia.

Etic psychometric tools work less well in non-Western than in Western cultures, whereas data collected online in the former societies tend to be of superior quality to those from face-to-face interviews. This represents a challenge to the study of the universality of models of personality and other constructs. If one wishes to uncover the true structure of personality in a non-Western nation, should one study only highly educated, cognitively sophisticated Internet users, and exclude the rest? We used a different approach.

Dimensions of national culture associated with different trajectories of male and female mean body mass index in countries over 25 years.

Cultural determinants of obesity prevalence have been little studied but could explain significant variations in body mass index (BMI) trajectories among countries. This ecological study quantified longitudinal associations between six dimensions of national culture and mean population BMI over 25 years. National mean male and female BMI data 1990 to 2014 provided dependent variables.