No description available.

No description available.

No description available.

No description available.

The experience of stress and associated coping responses are often described as playing an important role in the onset of schizophrenia and other psychotic disorders. Despite widespread acceptance of this model, there is little empirical evidence to support such a relationship. This is partly due to a lack of well-designed prospective studies of the onset of psychotic disorders that incorporate different aspects of the stress and coping process. The relatively recent development of validated and reliable criteria for identifying young people at high-risk (UHR) of developing psychosis has enabled the process of onset of psychotic illnesses to be studied more closely than was previously possible. It has also opened the way to the development and evaluation of preventive interventions. This longitudinal study aimed to compare the experiences of stress and coping between a UHR cohort (N = 143) and a group of young people without mental health concerns (HC group, N = 32). In addition, the contribution of stress and coping in the development of acute psychosis in a subgroup of the UHR cohort (UHR-P, n = 18) was also investigated.

No description available.

No description available.

I conduct two experiments to examine the effects of different types of stress on individuals' willingness to cooperate. The experience of stress is characterized by the primary cognitive appraisal of threat. It activates the emotion of anxiety and induces stress coping behaviors. I posit that because different types of stress differ in terms of the secondary dimension of cognitive appraisal, the responsibility of possible failure, they lead to different stress coping behaviors in collaborative contexts. Based on the attribution of threat, I classify stress into two types, ego and external stress. Under ego stress, the possible failure is attributed to one's capabilities. Ego stressors, such as lack of skill, cause individuals to worry about their capabilities, posing a threat to goal achievement. I argue that ego stress motivates an individual to seek affiliations for joint protection. I provide experimental evidence that ego stress increases cooperation. Under external stress, on the other hand, the possible failure is attributed to factors in the environment. External stressors, such as environmental uncertainty, cause individuals to worry about threat related factors in the environment, which also may hinder goal achievement. I argue that external stress motivates people to avoid risks, including the risk of being exploited by a partner. I provide evidence that external stress reduces cooperation.

No description available.

No description available.