Completing tasks and reaching goals at work depletes employees’ energy, motivation, and attentional resources, resulting in negative stress and fatigue experiences. Taking microbreaks from work may help recover from work demands and replenish these resources by positively affecting employee well-being and performance. Therefore, this study seeks to understand the potential benefits of personal social media use as a specific microbreak activity that has become increasingly popular in recent years for employee recovery and productivity during working hours. More specifically, the engagement in social media microbreaks (SMMB) was hypothesized to positively predict both employees’ psychological detachment and perceived productivity. Cross-sectional survey data from 193 white-collar workers were collected and analyzed using linear regression. The results of this correlational study revealed that while engagement in SMMB activities positively predicted psychological detachment, perceived productivity was not found to be associated with SMMBs when holding employees’ general engagement in social media and socially desirable responding constant. Exploratory analyses showed that these relationships may be contingent on demographic, individual, and work (break) characteristics. These findings challenge the predominant negative connotation of using social media at work among employers and by contributing to a growing body of evidence suggesting the restorative nature of microbreaks. Yet, this research underlines the necessity for further research to elucidate the boundary conditions for effective (social media) microbreaks.

The internationally recognized and flagship worker cooperative Fagor Electrodomésticos was founded in 1956 and was heralded as a success story before declaring bankruptcy in 2013. In this thesis, I examine the existing literature regarding worker cooperatives and provide historical background on Fagor Electrodomésticos. I then focus on one of the factors credited by the literature as contributing to its failure and other worker cooperatives broadly, the internal decision-making process. To analyze the role of the internal decision-making process I develop a game-theoretic model that sheds light on the dynamics of this process. This model contains three actors each of whom attempt to maximize their payoffs by advocating within a three-node game tree. This approach illustrates that in times of economic downturn actors with higher preferences for labor over profit will forestall employment cuts that are required for the firm to remain profitable or break-even and might operate at a loss to avoid necessary employment reductions. I then introduce costs when one or more actors employ their vetoes in a way that can prevent the delay of necessary unemployment reductions for firm survival.

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The present study deals with the predictive role of past and future self-continuity on procrastination at work. Self-continuity refers to how connected individuals feel to their past and future selves. Procrastination at work is a common issue with negative consequences for individuals and organizations. Previous research has shown a relationship between procrastination in the academic context and future self-continuity. Individuals with lower levels of future self-continuity are more likely to procrastinate because they perceive their future selves as strangers. The present study examines both past and future self-continuity in relation to procrastination in the workplace, rather than focusing on the academic domain. We collected quantitative data using an online questionnaire to answer the research questions. The results showed that both, past and future self-continuity, significantly predicted procrastination at work. Past self-continuity proved to be a stronger predictor than future self-continuity. Even after controlling for conscientiousness, past self-continuity robustly predicted procrastination at work. The mediation analysis did not show significant results for consideration of future consequences as a mediator. These findings emphasize the importance of considering individuals' connections to their past selves in understanding procrastination at work. They underscore the need for interventions that promote reflection on past experiences and goal setting to reduce procrastination tendencies. Our study provides new insights into self-continuity and procrastination in an organizational context and initiates future research and practical interventions.

<p dir="ltr">Existing conceptualizations and measures of mentoring support have been criticized for conflating mentor behaviors with outcomes, lacking comprehensiveness, and lacking theoretical integration with relationship science. This research presents the development and validation of the Mentor Support Behaviors Inventory (MSBI), a new measure of mentor support grounded in attachment theory. Study 1 used a qualitative analysis of interviews and open-ended responses and identified eight behavioral themes reflecting three higher-order mentor support dimensions: Safe Haven (Counseling, Protecting), Secure Base (Training, Coaching, Promoting), and Close Esteem (Responding, Personalizing, Affirming). These dimensions aligned with the Safe Haven and Secure Base support tenets of attachment theory and integrates the literatures on responsiveness. In Study 2, an initial pool of 128 items was developed based on the qualitative findings. 122 working adults sorted them into mentoring behaviors versus relationship quality, mentoring effectiveness, and mentoring climate constructs. The results provided moderate to strong evidence of content validity, with the MSBI items performing better than existing mentoring measures. The MSBI offers a comprehensive, theory-driven assessment of specific observable mentor behaviors across diverse supportive contexts, addressing calls to elucidate the behavioral mechanisms underlying effective mentoring relationships. Implications for mentoring theory and practice are discussed.</p>

Cette thèse a testé un modèle explicatif de santé psychologique au travail, intégrant comme variable bipolaire, l'épuisement professionnel et le bien-être psychologique. Sur la base du Job Demands-Resources Model, des facteurs d'exigences (conflits de rôles et charge de travail) et de ressources organisationnelles (justice organisationnelle, autonomie au travail et soutien social) ont été catégorisés. Le postulat de base de ce modèle a été de prédire des effets directs et indirects des exigences et des ressources sur la santé psychologique par l'intermédiaire de l'assertivité. L'objectif était la validation prévisionnelle et transculturelle du modèle, à travers une modélisation par équations structurelles, auprès de deux échantillons comprenant des enseignants et des infirmiers français et gabonais. L'effectif total de la première vague de données regroupait 273 participants (France : N = 90 enseignants, N = 45 infirmiers ; Gabon : N = 93 enseignants, N = 45 infirmiers) et celui de la deuxième vague s'élevait à 400 participants (France : N = 108 enseignants, N = 96 infirmiers ; Gabon : N = 141 enseignants, N = 55 infirmiers). En France, les résultats démontrent que les exigences au travail agissent directement sur la santé psychologique et que leurs effets sont aussi médiatisés par l'assertivité. Les ressources, pour leur part, influencent directement la santé psychologique. Quant aux résultats du Gabon, les exigences et les ressources organisationnelles prédisent directement la santé psychologique, sans effet médiateur de l'assertivité. De plus, au sein des deux populations, l'assertivité s'est avérée être non seulement une variable salutaire au regard des conditions de travail, mais aussi un fort prédicteur de la santé psychologique au travail. / This thesis tested an explicative model of psychological well-being at work, including as a bipolar variable, burnout and psychological well-being. Based on the Job Demands-Resources Model, jobs demands (role conflict and workload) and job resources (organizational justice and social support) were categorized. The basic assumption of this model was to predict the direct and indirect effects of job demands-resources on psychological health at work through assertiveness. The goal was the previsional and transcultural validation of the model through structural equation modeling, with two samples : teachers and nurses French and Gabonese. The total of the first wave of data consisted of 273 participants (France : N = 90 teachers, N = 45 nurses ; Gabon : N = 93 teachers, N = 45 nurses) and the second wave was 400 partcicipants (France : N = 108 teachers, N = 96 nurses ; Gabon : N = 141 teachers, N = 45 nurses). In France, results demonstrate that the job demands act directly on the psychological health and their effects are also mediated by assertiveness. resources, in turn, directly affect psychological health. As for results of Gabon, job demands-resources directly predict psychological health, unmediated effect of assertiveness. In addition, in both populations, assertiveness is not only a beneficial variable compared to working conditions, but also a strong predictor of psychological health at work.

Ce travail de recherche doctoral a pour objet d’étudier les dimensions constitutives du construit de bien-être au travail (BET) du point de vue des salariés et de proposer une échelle de mesure dudit concept propre au contexte français. A ce dessein, une analyse de la littérature relative au concept de bien-être en général et à celui de bien-être au travail est réalisée. Elle a permis en outre d’identifier les variables considérées par la littérature RH comme des antécédents et des conséquences du BET, ceci, aussi bien du point de vue des entreprises que des employés. Ce travail théorique a consisté également au recensement et à l’analyse des outils de mesure en vigueur du bien-être en général et du BET proposés par les chercheurs et par les professionnels du conseil RH. Un travail qui permet de ressortir deux principales échelles de mesure du BET en vigueur, celles de Dagenais-Desmarais (2010) et Bietry et Creusier (2013). Ce travail théorique s’est suivi par un travail empirique qui a consisté en deux principales études de terrain respectivement qualitatives et quantitatives. L’étude qualitative, qui s’inscrit dans une démarche exploratoire, a consisté en 29 entretiens individuels et 5 focus group réalisés auprès d’une même entreprise de service. Cette étude a permis d’identifier les représentations du bien-être au travail chez les salariés et qui se résument en six principales dimensions : (1) la clarté du rôle, (2) l’environnement de travail, (3) l’ambiance de travail, (4) la reconnaissance au travail, (5) la bienveillance de l’entreprise et (6) l’épanouissement au travail. La validité de contenu de la structure qui le sous-tend a, par la suite, été étudiée au moyen de la méthode de tri de cartes – plus communément connue sous le nom de card-sorting. Cette démarche exploratoire, qui a permis de proposer un modèle conceptuel qui met en exergue les six dimensions du BET présentées ci-dessus, a été suivie par une étude quantitative. Celle-ci a consisté en la proposition et le test d’une échelle de mesure métrique du BET. Les analyses, exploratoire et confirmatoire, de la structure factorielle de ladite échelle permettent de confirmer la structure à six dimensions du BET. De même, les tests de fiabilité, de validité convergente, discriminante et nomologique menées au moyen de la méthode des équations structurelles attestent des propriétés psychométriques de l’échelle de BET. Les résultats de cette échelle de mesure sont par la suite discutés, ceci, au vu des dires de la littérature sur les dimensions mobilisées et des recommandations managériales qu’elle implique. De même, les limites de cette échelle de mesure ainsi que des pistes de perfectionnement (voies de recherche) sont présentées et discutées. / This research proposes to study the dimensions that compose the wellbeing at work from the worker perspective. It aims also to propose a measure scale of wellbeing at work specific to the French context. For this purpose, an analysis of the literature related to the concepts of wellbeing in general and wellbeing at work specifically is carried out. It allowed to identify the variables considered by researchers as antecedents or consequences of wellbeing at work. Also, an analysis of the measures of wellbeing at work proposed by academics and professionals in HR consulting is realized. It put forwards two main established measure scales of wellbeing at work, those of Dagenais-Desmarais (2010) and Bietry & Creusier (2013). This theoretical work is followed by an empirical study that consisted in a qualitative and a quantitative researches. The qualitative study, which is part of an exploratory approach, consisted of 29 individual interviews and 5 focus groups conducted within the same service company. This study brings out the representations of well-being at work among employees that are summarized in six main dimensions : (1) the role clarity, (2) the working environment, (3) the working atmosphere, (4) the recognition at work, (5) the corporate benevolence and (6) the professional fulfilment. The validity of content of the resulting conceptualizations of wellbeing at work is tested using the method of card-sorting. This exploratory approach, which allowed to propose a conceptual model that highlights the six dimensions of BET presented above, is followed by a quantitative study. This study consisted in the proposal and the testing of a measure scale of wellbeing at work. Exploratory and confirmatory factor analysis of the structure of the measure scale is done. Their results confirm the reliability of the considered six-dimensions of wellbeing at work. Also, the analysis of the reliability and the different aspects of validity - convergent, discriminant and nomological - of the scale using the method of structural equations modeling asserts the satisfying psychometric properties of the proposed scale of wellbeing at work. The results of the test of the scale are then discussed in regard to the literature background related to the considered dimensions. Their managerial implications are also presented, their limits as well as the opportunities of improvement presented and discussed.

Este trabalho procura ampliar os conhecimentos a respeito da influência do enfoque na geração do valor aos acionistas sobre as práticas de gestão de pessoas, com ênfase no ambiente da produção. Inicialmente, o trabalho resgata as origens e os fundamentos da concepção financeira e da concepção da geração de valor ao acionista das empresas, em que o principal foco é a valorização do preço das ações. Em seguida, é analisada a interface que estas concepções possuem com as práticas de gestão de pessoas, explorando o caráter bidirecional desta interface, uma vez que a função recursos humanos não só é influenciada pelas diretrizes das empresas, mas também é tida como uma das principais formas para ajudar a difundi-las, tendo em vista seu papel de agente de mudança de comportamento nas empresas. Neste sentido, são aprofundados três principais elementos que compõem, segundo a literatura, esta interface: a remuneração variável, gestão de desempenho e autonomia no trabalho. Por fim, é apresentado um estudo de casos múltiplos que busca verificar como a concepção financeira das empresas vem influenciando, de fato, estas práticas relacionadas à gestão de pessoas no nível da produção de organizações que atuam no Brasil, assim como o quanto estas práticas têm contribuído para a difusão da mentalidade de geração de valor ao acionista. O resultado deste estudo indica que, no plano conceitual, a influência da orientação à geração de valor ao acionista sobre as práticas de gestão de pessoas é nítida, mas que, na prática, ainda é pouco efetivada, apesar de mudanças já estarem ocorrendo nesta direção. / The objective of this paper is to increase knowledge about the influence of the shareholder value on people management practices, with emphasis on the production environment. Initially, the paper takes a step backwards to the origins and fundaments regarding the finance conception and the shareholder value conception of the firm, where the main focus resides in increasing share prices. The paper then goes on to analyze the interface that these concepts possess with people management practices, exploring the two-way nature of said interface, in view that the human resources function is not only influenced by company guidelines, but is also deemed one of the main forms for helping disseminate it, due to its role as a change agent of behaviors in companies. As such, it delves into the three main elements that, according to literature, comprise this interface: variable compensation, performance management and work autonomy. Lastly, the paper presents a multiple case study that aims to verify how the finance concept of companies has, in fact, been influencing these practices relating to people management at the production level of companies that operate in Brazil, as well as how much these practices have contributed to disseminate the shareholder value mentality. The result of this study shows that, at the conceptual level, the influence of shareholder value on people management practices is quite clear, but that in practice it is still used very little, despite changes that are already occurring in this sense.