This study tested a mediation model by which daughters ' perceptions of poorer parent-adolescent relationship quality were expected to be directly associated with the individual psychological characteristics of low self-esteem and internalizing symptoms. In turn, individual psychological characteristics were hypothesized to predict self-defeating behavior, defined as deliberate self-harm and suicidal gestures, multiple sexual partners, and substance use. Additionally, the association between parent-adolescent relationship variables and self-defeating behaviors was posited to be largely indirect and mediated by symptoms of psychological distress . As predicted, perceived alienation from parents was directly associated with poor adolescent psychological functioning. Furthermore , individual psychological variables were found to partially mediate between parent alienation and deliberate self-harm /suicidal gestures. Full mediation was observed between mother alienation and risky sexual behaviors but not for fathers. No mediation effects were found between both mother and father alienation and daughters' reported substance use. Research and clinical implications are also discussed.

Using an analysis of the creation of the character Dan Kelly in my play, risk, I argue that fairytale characters work as more than personage representations. They function on a big canvas for the audience; they carry large chains of association. Given this, I then propose that the human response is to infer additional meaning, meaning beyond the scope of plot and immediate character interaction - the audience infers symbolic meaning, ‘amplifying’ what is there into more. They enter a ‘generative empty space’ within the play where they infer or ‘unfold’ more meaning. In creating this ‘greater tale’, they are engaged beyond their personal ‘horizon of understanding’, and so, ‘take in’ the work through a heightened perceptual acuity. Therefore, I pursued the idea of making space for the operation of this process, of leveraging the creation of meaning around a character. My inquiry led me to believe that a powerful way to do this was through absence rather than presence and silence rather than sound; and this had a profound impact on my choice of form for Dan Kelly: he progressed, through a number of stages, from reportage to a digital representation.

Cette thèse s’intéresse au travail collectif d’opérateurs de montage travaillant en « îlot de production » et à la construction de la santé dans ce contexte de transformations du monde ouvrier. Lors d’une intervention dans une entreprise de logistique, dernier maillon de la chaîne de sous-traitance de l’industrie automobile, nous avons proposé d’installer un cadre clinique de l’activité en psychologie du travail. Ainsi, les opérateurs volontaires ont pu découvrir combien les expériences des autres - même ceux croisés ponctuellement de par le turn-over des intérimaires - et les débats autour des façons de faire des collègues, pouvaient devenir une ressource pour leur propre travail. Malgré la difficulté de maintenir un travail de co-analyse avec un fort turn-over, les opérateurs ont aussi pris conscience de la fonction sociale de leur collectif au sein de l’entreprise, lors du dernier comité de pilotage de notre intervention. Ce double processus psychologique et social de la fonction du collectif chez les opérateurs leur permet de créer de nouvelles manières de transformer le travail, participant ainsi au développement de leur santé. / This thesis speaks about collective work of the operators of assembly in modular manufacturing unit and health building in this context of industrial work transformations. During an intervention in a company of car logistics, the last link of the chain of subcontracting at car industry, we proposed them to construct a clinical frame of activity in work psychology. So, volunteers’ operators were able to discover how much the experiences of the others - even those crossed punctually due to the turnover of the temporary workers - and the debates around the manners to make the other colleagues could become a resource for their own work. In spite of the difficulty to maintain a work of co-analysis with temporary operators, the operators could also became aware of their collective social function, during the last steering committee of our intervention. This double psychological and social process of the collective function at the operators allows creating new ways to transform their work, so participating in the development of their health.