Loneliness and Diurnal Salivary Cortisol in Emerging Adults.

This study aimed to examine the relationship between trait loneliness and diurnal rhythms of salivary cortisol. Fifty-One Chinese undergraduates provided six saliva samples on a weekday at immediately, 0.5, 3, 6, and 12 h after waking, and at bedtime.

Perception of environmental hazards in Hong Kong Chinese.

A public sample of Hong Kong Chinese (N = 167) rated the levels of threat of 25 environmental hazards and gave quantitative judgments to six risk characteristics for each hazard. It was found that women, older participants, and less educated individuals found the hazards to be more threatening to the environment than did men, younger participants, and more educated individuals, respectively. A new spatial model emerged from a principal component analysis carried out on responses to six risk characteristics.