In the present paper the role of the state of the psychological contract to predict psychological health results is studied in a sample of 385 employees of different Spanish companies. Results indicate that the state of the psychological contract significantly predicts life satisfaction, work-family conflict and well-being beyond the prediction produced by the content of the psychological contr...

Oral lichen planus (OLP) is a T-cell mediated disease directed to a still unknown antigen, which may affect oral mucosa. The aim of this study was to determine whether differences in anxiety, depression and stress could be seen in patients with OLP in acute stage and in remission, as well as in comparison with healthy control subjects. The study included 50 OLP patients aged 22-79 (mean age 61....

2 studies, involving 69 male inmates of an experimental penal institution, investigated the psychological states produced by LSD as compared with amphetamine and placebo controls. A number of scales on a newly developed subjective drug-effects questionnaire significantly differentiated the groups. This instrument was further used to identify 3 qualitatively different subjective states produced ...

This study reexamined the processes of acquisition and extinction under periodic reinforcement. During the first phase of the experiment, pigeons were exposed to a fixed-interval schedule either 40 or 80 s long. During the second phase, each session started with the fixed-interval schedule but changed to extinction at an unpredictable moment. The results showed that during phase 1 the curve for...

Mor)• biogeographic theory states that the number of species in a class or other large taxonomic unit that inhabits an island is maintained within narrow bounds by a dynamic steady state between colonization and extinction s (MacArthur and Wilson 1967). Although a recent experimental test of the theory upheld most of its expectations (Simberloff and Wilson 1969), there remains a paucity of data...

From early in development children show impressive knowledge about mental states such as beliefs and desires. However, less is known about the development of knowledge about more sophisticated aspects of mental activity, including the adult intuition that the mind is an independent agent over which we have some but not total control. This project explored 8to 11-year-olds’ (n = 46) and adults’ ...

aim and background: the aim of the present study was to investigatethe psychometric properties of the trait hope scale and its relation with psychological well-being of iranian university students. methods and materials: in this descriptivesurvey, 191 students of hamadan islamic azad university (mean age: 24.17 ± 4.30 years; range: 18-45 years) were selected through stratified randomsampling.th...