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<p> Using a nationally representative sample of older adults, this dissertation examines the use of assistive technology devices (ATDs) designed to aid with mobility and sensory functioning and to improve one's capacity to perform activities of daily living. It measures the impact of ATDs on the participation levels and living arrangement decisions of those needing help. Although the use of these devices has been found to improve functionality, their effectiveness in relation to further outcomes has not been affirmed. The first essay considers whether an individual's ATD use has a positive impact on active participation in activities such as visiting family and friends, attending religious services, joining clubs, going out for enjoyment and volunteering. </p><p> Another advantage of improved physical functioning would be the older individual's ability to remain in his or her home, as opposed to transferring to a residential care setting. Little research has examined the determinants of living in residential care, versus in the community, and none has examined the use of ATDs in this choice. The second essay considers correlations between living arrangements and the use of ATDs. Finally, the third essay considers whether using assistive devices is associated with a lower probability of living in a residential care environment, controlling for many other health, social and economic factors.</p>

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The human-animal relationship in agriculture has been shown to be an influential factor affecting farm animal behaviour, welfare and productivity. It has been demonstrated that stockperson behaviour is related to animal fear and productivity and stockperson attitudes have been found to be strong predictors of stockperson behaviour. However, other job-related human factors may also be influenced by attitudes, thus affecting stockperson work performance. Inter-relationships between stockperson attitudes and behaviours and other job-related human factors were determined. The effects of human behaviour on the behavioural response of pigs towards humans was further investigated and the role of training to modify job-related factors, such as technical knowledge was examined. Stockperson behaviour was shown to influence the behavioural response of pigs towards humans and behavioural responses of pigs towards humans could be conditioned within 4 weeks of regular handling. Negative behaviour by the stockperson was shown to be the most aversive human-animal interaction, while injection treatments were moderately aversive in comparison. The negative effects of human behaviour and husbandry procedures were not found to be alleviated by positive handling or environmental enrichment. The behavioural response of pigs towards humans was found to be influenced by social learning processes and stimulus generalisation of the behavioural response of pigs to humans was found to be unaffected by location. Other job-related human factors, such as technical knowledge, empathy and job satisfaction were positively related to stockperson attitudes and behaviour. Due to established sequential relationships between stockperson attitudes and behaviour and pig behaviour and productivity, this was viewed as indicative of the effect of these job-related variables on pig behaviour and productivity.

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The following qualitative study explored self-reported iatrogenic effects of intervention with data collected through semi-structured interviews. This small clinical sample consisted of four female adult "survivors" between the age of 34 and 47 who had experienced childhood sexual abuse perpetrated by at least one caregiver. The findings indicated significant iatrogenic effects particularly for the victims who disclosed in childhood that included a strong theme of betrayal by the systems that were supposed to protect them. One woman continued to be sexually abused, while another woman was returned to the home where she had been physically abused, following no intervention and/or protection by child protection services. Although other services such as police, crown attorney, medical and therapeutic systems were involved in some of these situations, the survivors perceived these as inadequate and leading to strong distrust of intervention. In contrast, those survivors who disclosed again in adulthood reported a significantly improved experience with less iatrogenic effects. The iatrogenic effects of intervention require further research with a larger and diversified sample in order to identify current iatrogenic effects of each intervention for children and survivors.

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