Ricerc@Sapienza

This study explores dynamic processes in the development of the psychological contract, focusing on the interaction of obligations related to the two parties (i.e., employees' perceptions of both their own and the organization's obligations fulfillment) on attitudinal outcomes (organizational commitment and turnover intention) during the initial stage of the employment relationship.

The literature has suggested that to understand the diffusion of unethical conduct in the workplace, it is important to investigate the underlying processes sustaining engagement in misbehaviour and to study what occurs during vocational education. Drawing on social-cognitive theory, in this study, we longitudinally examined the role of two opposite dimensions of the self-regulatory moral system, regulatory self-efficacy and moral disengagement, in influencing academic cheating behaviour.

Purpose: It is proposed that pragmatic skills play an important role during the language development, in particular in social interactions with conversational partners. The purpose of this study is to investigate the relationship between pragmatic and linguistic skills in a longitudinal perspective, assuming that social-conversational abilities at early stages are associated with the child’s linguistic development.

Job satisfaction and job performance represent two of the most important and
popular constructs investigated in organisational psychology. Issues relating to
the nature and significance of their relationship has fascinated organisational
researchers since the beginning of this discipline. In the present study, we
aimed to clarify the direction of plausible influences between these two constructs
by using a dynamic latent difference score model (McArdle, 2009) and
a large sample of employees who were followed for five years (N51,004). The

The paper aims to describe how terrorist violence occurred in Italy in a period ranging from 1969 to 1983 has been represented by the documentaries broadcasted by the Italian public television. 129 documentaries, broadcasted by RAI, the Italian public television, from 1971 until now, were analyzed. The analysis showed that only recently (from 2000) documentaries finally allowed victims and their relatives to witness.

Background: Obesity in youth is associated with increased risk of metabolic disorders. Adipose
tissue hormones are involved in body-weight regulation. Among these, apelin is recognized as an
insulin-sensitizer adipokine. Data on apelin levels in obese children and its relation to insulinsensitivity
are limited.
Objective: We aimed to evaluate apelin levels in relation to obesity and insulin sensitivity in a large
cohort of overweight/obese children and adolescents. Furthermore, these youths were reevaluated

Objectives Socioeconomic inequalities have a strong impact on population health all over the world. Occupational status is a powerful determinant of health in rich societies. We aimed at investigating the association between occupation and mortality in a large metropolitan study.

Design Cohort study.

Setting Rome, capital of Italy.