Cette thèse avait pour objectif d’examiner les liens longitudinaux entre les relations d’amitié et l’évolution des comportements d’agressivité physique en début de scolarisation. Guidé par les principes énoncés par les théoriciens de l’apprentissage social, de l’attachement, du développement de la personnalité et de la théorie du jugement moral, le rôle principal et modérateur de certaines dimensions spécifiques à la qualité de la relation d’amitié, ainsi que des attributs comportementaux des amis et des caractéristiques personnelles de l’enfant a été évalué. Des données provenant de l’Étude Longitudinale du Développement des Enfants du Québec (ELDEQ), de l’Étude des Jumeaux nouveau-nés du Québec (EJNQ) et de l’évaluation des effets d’un programme d’intervention dyadique ont été analysées. Les mesures utilisées dans cette thèse ont été collectées entre la maternelle et la 2e année du primaire, soit de 5 à 8 ans, directement auprès des enfants, de leurs amis, leurs pairs, leurs parents et leurs enseignants par le biais de questionnaires, d’entrevues sociométriques et de mises en situation hypothétiques. En lien avec la perspective de l’apprentissage social, les résultats ont montré que l’association à des amis agressifs en maternelle est liée à une augmentation des comportements d’agressivité physique chez l’enfant. Cependant, en lien avec les théories du développement de la personnalité et la perspective de l’attachement, le fait d’établir une relation d’amitié de bonne qualité est reliée à une diminution des comportements agressifs à travers le temps. De plus, une interaction entre la qualité de la relation et les attributs comportementaux des amis a indiqué que le risque lié à l’association à des amis agressifs est atténué dans le contexte d’une relation d’amitié de bonne qualité. Les résultats indiquent également que chez les garçons, la présence de conflits entre amis à la maternelle est associée de façon linéaire à de plus hauts niveaux de comportements agressifs, indépendamment du risque génétique de l’enfant face à cette problématique. Une interaction triple a par ailleurs révélé que le conflit n’était pas lié à une augmentation de l’agressivité physique dans le contexte d’une relation d’amitié caractérisée par l’affect positif et une bonne capacité à régler les conflits. Enfin, les résultats ont montré un effet indirect d’une intervention dyadique sur la diminution des comportements d’agressivité physique, qui opère à travers l’amélioration de la capacité des amis à régler leurs conflits. Ces résultats appuient le rôle bénéfique de la qualité de la relation d’amitié sur l’évolution des manifestations de comportements d’agressivité physique et suggèrent que cet aspect relationnel soit pris en compte dans les programmes de prévention des conduites agressives. En somme, la mise en évidence d’associations et d’interactions significatives entre la qualité des relations d’amitié, les attributs comportementaux des amis et les manifestations de comportements d’agressivité physique en début de scolarisation suggère que certains aspects et dimensions relationnelles positives peuvent être bénéfiques au développement des enfants agressifs. La prévention du maintien et de l’aggravation des conduites agressives par l’entremise de l’amélioration de la qualité des relations d’amitié représente une avenue prometteuse. / The aim of the present dissertation was to investigate the prospective links between friendship relationships and physical aggression development during the early school years. Within a theoretical framework based on social learning, personality, attachment and socioconstructivist theories, we examined the unique and combined role of various dimensions of friendship quality, friends’ behavioral characteristics and child’s pre-existing vulnerabilities in regard to the persistence of young children’s physical aggression. Data from the Quebec Longitudinal Study of Child Development (QLSCD), from the Quebec Newborn Twin Study (QNTS) and from an efficacity test through a dyadic intervention program were used. Measures in this dissertation were collected from kindergarten to grade 2, when the children were aged from 5 to 8 years old, with the children themselves, their friends, their classmates, their parents, as well as their teachers, through various questionnaires, a peer evaluation procedure and hypothetical scenarios. In line with the social learning perspective, friends’ aggression was linked to a significant increase in children’s physical aggression. However, in line with the social bonding perspective, a good friendship quality played both a compensatory and a protective role, by respectively reducing children’s initial level of physical aggression and by mitigating the associations between friends’ and children’s physical aggression. Results also show that friendship conflict was associated to a linear increase with boys’ but not with girls’ physical aggression over time. Shared positive affect and conflict resolution skills were found to mitigate the prospective association between friendship conflict and children’s physical aggression. These results were independent of children’s sex and genetic risk for physical aggression. No interaction effects were found between the friendship dimensions and genetic risk for aggression, suggesting that children are equally affected independently from their genetic liability. Results showed an indirect effect of the dyadic intervention on decreasing levels of physical aggression through the improvement of one specific feature of friendship quality: conflict resolution. These results support the causal role of friendship quality on the developmental course of physical aggression and point to the inclusion of this relational aspect in prevention programs targeting young aggressive children. Overall, the main and moderating effect found between friendship quality, friend’s aggression and child personal characteristics bring both theoretical and practical implications. Indeed, these results suggest that fostering a positive relationship between friends in the early school years may decrease physical aggression even if the friends are aggressive. Besides, high friendship quality may also buffer against the risk associated with experiencing conflict. These findings underscored the importance of taking into account the relational characteristics, such as conflict resolution and positive affect, in order to better understand the impact of friendship relationships on children’s physical aggression development.

The study sought to investigate factors that influence the choice of career pathways among high school students in Midlands Province of Zimbabwe. The investigation serves as a springboard to establishing a career guidance model that would assist career guidance teachers in high schools in their endeavours to help students make career choice from a well-informed perspective. A survey design which was mainly quantitative in nature was used in this empirical study. A self-designed questionnaire was used in collecting data from the participants. One thousand and ten high school students and 20 career guidance teachers participated in the study. The Statistical Package for Social Sciences version 19 calculated the percentages that were used to analyse the data. The study revealed that family members, both nucleus and extended, had an influence on students’ choice of careers. The influence of mothers and fathers was rated highly as compared to other family members. The study also revealed that schools had an impact on high school students’ choice of careers. Career guidance, especially school career days, was cited as having a positive impact on students’ choice of careers. The geographical location of schools was cited as quite influential in the choices of careers by students. The study also revealed that peers had an influence on students’ choices of careers through peer advice and encouragement. However, the influence of gender on career choice was lowly rated. In other words, gender did not influence the students’ choice of careers. Several recommendations were made. The study recommended the training of parents, peers and teachers to enhance students’ choice of careers. It was also recommended that only trained career guidance teachers be allowed to teach career guidance. Lastly, the study also recommended a career guidance model to assist in helping students choose suitable careers. / Psychology of Education / D. Ed. (Psychology of Education)

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The purpose of the empirical study is to determine the nature of the peer pressure that boys experience at a single-gender school. A literature study was conducted on single-gender education as opposed to co-education as well as the phenomenon of peer pressure during adolescence and the factors that might influence peer pressure. An empirical investigation was conducted involving 221 adolescent boys. The results showed that boys in single-gender schools experience more positive than negative peer pressure. No significant differences were found between the peer pressure of boys at a single-gender school and those at a co-educational school. Motivation and relationship with peers were identified as the two most important variables relating to peer pressure. Guidelines for parents, teachers, and adolescents were discussed to promote positive peer pressure and to minimise negative peer pressure. These guidelines included strategies to motivate adolescents and to promote positive peer relationships. / Psychology of Education / M. Ed. (Psychology of Education)

Emotions play a significant role in the lives of teachers, especially in their interactions with their workplace peers. This research uses a case study approach to explore this topic through the medium of an asynchronous on-line discussion group. Twelve public school teachers, eight women and four men, from BC, Canada, volunteered to participate anonymously in a 12 week on-line forum. The study was guided by three research questions: 1) How do teachers make sense of their emotional interactions with their peers? 2) How do these understandings change through discussion with a group of peers over 12 weeks? 3) What understandings of the emotional processes of school culture emerge when teachers discuss and reflect on these emotional aspects of their work in a collaborative setting? The participants responded to weekly focus questions and also initiated their own discussion topics. They were introduced to alternative perspectives of emotion, including the social constructionist, feminist, and discursive. They were asked to focus on everyday interactions with their peers and to suggest what the emotions they experienced and observed achieved within the group. They were also encouraged to pay attention to the feeling rules in their staff meetings and to notice which emotions they thought were deemed appropriate to be expressed and which were deemed inappropriate. Initially the participants used a number of strategies based on the individualized and psychological perspectives of emotions to make sense of their interactions. During the discussion group they were able to discuss their interactions in a safe non-judgemental setting and to reinterpret them in light of new information. Competition, patriarchy, and neo-liberal education policies were seen to influence the dynamics of the workplace. Two mechanisms which appeared to link the teachers’ individual, private experiences of emotions with the culture of the school were the use of the words “positive” and “negative” and the norms embedded in the feeling rules of each school. These mechanisms both constrained and allowed the expression of certain emotions, opinions, and points of view in the workplace, thereby highlighting the political role of emotions. Symbolically the forum represented a collective space within an individualized world.