The present dissertation is composed of two main parts. The first step lies in a conceptualisation research effort, which aims at re-constructing success and providing a new understanding of success as a subjective, individual-based concept encompassing three dimensions : professional, familial and personal success. Success is defined as : an ideal state of global satisfaction that may relate to family, personal or work fulfilment feelings, according to individual preferences. The second part is an empirical study which is designed to illustrate this conceptual framework and contribute to extend our knowledge on small firms owner-managers' visions of success. An evaluation method, based on the Index for Global Success (IGS), is elaborated for that purpose. Three analyses are developed : the first one describes the respondents' global characteristics and visions of success, the second study explores males' and females' visions of success, and the last one applies the IGS method to compare high- and low success perceivers, test the link between IGS, business performance and individual satisfaction, and thus test the IGS method relevance. The findings prove that success needs to be studied at the individual's level as a subjective construct and that the use of a composite index to evaluate success enables the gathering of overlapping dimensions composing success. The importance of personal and familial dimensions, beyond professional success, receives empirical support. Females appear to have different visions of success than males, placing higher concern on the personal dimension. Finally, the Index for Global Success enables the testing of subsamples which differ in their levels of satisfaction and firm's performance. Statistical analyses establish that `success' (evaluated through the Index for Global Success), business performance and individual satisfaction are positively correlated. It is concluded that the IGS method is a relevant tool to evaluate success, and that success is a complex rather than simple unidimensional construct.

Although the “self” has generally been conceptualized as relatively stable in sport-specific research, events such as deselection, injury, and career termination have been found to negatively affect athletes’ levels of identification with the athlete role. Additionally, there has been limited research regarding competitive failure and its ability to negatively affect athletes’ levels of identification with the athlete role. The purpose of the present investigation was to provide additional evidence regarding the influence poor competitive seasons have on the malleability of athletes’ self-identity. Athletes were followed throughout the course of their season to determine whether athletes who encountered a poor competitive season reported lowered levels of athletic identity. Specifically, male and female NCAA Division I track and field athletes completed pre-indoor, post-indoor, and post-outdoor assessments of athletic identity. Contrary to previous research, the current study’s results indicated no identifiable relationship between male and female athletes’ season performance satisfaction and their level of post-indoor and post-outdoor athletic identity. Thus, the greatest predictor of athletes’ post-season level of athletic identity was their pre-season level of athletic identity, regardless of season performance. Given these results, future research should assess self-esteem as well as other potential coping strategies athletes might use in order to gain a better understanding of the effect encountering a poor competitive season may have on athletes’ self-identity.

L'observation sociale est l'étude de la dimension sociale des organisation. Les dispositifs d'observation sociale ont pour but d'informer les dirigeants sur la dynamique sociale de l'entreprise. Cette information permet d'enrichir le dialogue social et accompagne le changement organisationnel. La thèse décrit tout dispositif morphologie de ce réseau, et les relations entre les acteurs qui le composent. La recherche propose également un modèle d'évaluation de la performance d'un dispositif d'observation sociale fondé sur une mesure de la satisfaction perçue par ses utilisateurs. Les résultats empiriques obtenues dans une grande entreprise de service public, montrent que la performance d'un réseau d'observation sociale est liée au positionnement et à la stratégie des acteurs. Les différents facteurs de performance d'un réseau d'observation sociale sont identifiés

Previous research has shown that Need for Cognition (NFC), the individual tendency to engage in and enjoy cognitive endeavors, contributes to academic performance. Most studies on NFC and related constructs have thereby focused on grades to capture tertiary academic success. This study aimed at a more comprehensive approach on NFC’s meaning to success in university. We examined not only performance but also rather affective indicators of success. The current sample consisted of 396 students of different subjects with a mean age of 24 years (139 male). All participants took part in an online survey that assessed NFC together with school performance and further personality variables via self-report. Success in university was comprehensively operationalized including performance, satisfaction with one’s studies, and thoughts about quitting/changing one’s major as indicators. The value of NFC in predicting tertiary academic success was examined with correlation analyses and path analysis. NFC significantly correlated with all success variables with the highest correlation for study satisfaction. Path analysis confirmed the importance of NFC for study satisfaction showing that NFC had a significant direct effect on study satisfaction and via this variable also a significant indirect effect on termination thoughts. This study clearly indicates that NFC broadly contributes to the mastery of academic requirements and that it is worthwhile to intensify research on NFC in the context of tertiary education.