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171.
Arthur Tomie Arthur L. Murphy Stephen Fath Raymond L. Jackson 《Learning and motivation》1980,11(1):117-134
In Experiment 1, pigeons exposed to US ONLY pretraining were observed to be retarded in the acquisition of autoshaping relative to naive controls; however, gross changes in contextual stimuli between pretraining and testing alleviated the retardation effect. In Experiment 2, groups of pigeons exposed to CS ONLY, US ONLY, or random CS-US presentations (TRC) were tested for the acquisition of autoshaping. The US ONLY and TRC groups were retarded relative to naive controls. The context change manipulation eliminated the US ONLY retardation effect and attenuated, but did not eliminate, the TRC retardation effect. Context blocking accounts for the US ONLY effect and contributes to the TRC effect; however, context-independent retardation following TRC pretraining suggests the operation of the learned irrelevance cognition. 相似文献
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Gregory L. Murphy Audrey S. Kaplan 《The Quarterly Journal of Experimental Psychology Section A: Human Experimental Psychology》2000,53(4):962-982
Three experiments examined the interactions of category structure and prior knowledge in category learning.Experiment 1 examined the distribution of atypical or 'crossover' features in category learning. In real categories, crossover features may be unevenly distributed found primarily in very unusual examples of a category (like whales or ostriches). In contrast, in many psychology experiments, each item has exactly one crossover feature. Even versus uneven distribution of crossover features did not affect category learning when the features were neutral. However, when the features were connected by prior knowledge, it was much harder for subjects to learn the structure with the uneven distribution of crossover features. Experiments 2 and 3 found similar results with a slightly less uneven condition. We conclude that learning is a function of the interaction of category structure and prior knowledge rather than either one alone. Furthermore, knowledge benefits learning even when the category contains contradictions of the knowledge, so long as the contradictions are not very salient. 相似文献
179.
Angus G. Craig John M. D. Thompson Rebecca Slykerman Clare Wall Rinki Murphy Edwin A. Mitchell Karen E. Waldie 《Journal of child and family studies》2018,27(11):3544-3553
A father’s presence in the family is important for promoting adaptive behavioral functioning in children. It is unknown however, if there is a critical time during infancy and childhood for such paternal presence and involvement to affect behaviour. Using data from the Auckland Birthweight Collaborative (ABC) study, we examined the amount of paternal presence children experienced through their first 11 years of life (measured as fathers’ time spent in the same household as their children) and its effect on their behavioral outcomes at 11 years of age. After controlling for potential confounds, children who whose fathers were minimally present (left between 0 and 3.5 years of age) were twice as likely to report clinically significant behavioural difficulties as those whose fathers were present throughout childhood. Those whose fathers were present for early childhood (left between 3.5 and 7 years of age) exhibited no significant differences in their behaviour at 11 years of age when compared to their peers whose fathers remained present. Mothers reported no significant changes in their children’s behavior. Findings suggested that paternal presence early in a child’s life might be most important with regard to promoting adaptive behavioural functioning as they age. 相似文献
180.
We examine the association between a six-facet model of conscientiousness and adherence to the Oral Contraceptive Pill (OCP), to investigate if these 6 facets can account for variation in adherence to the OCP. Cross-sectional data were collected from an opportunity sample of 243 female participants who were current users of the OCP, via online survey. Data were analysed using correlation and standard regression. The 60-item Chernyshenko Conscientiousness Scale (CCS), the 10-item IPIP Conscientiousness (IPIP C) subscale and the 5-item OCP Medication Adherence Report Scale (MARS) were employed. Both the total CCS (ρ = ?0.26, p < 0.01) and the IPIP C scale (ρ = ?0.22, p < 0.01) were associated with MARS. All facets measured by the CCS had small to medium-sized statistically significant correlations (r > ?0.18 and r < ?0.23, p < 0.05) with OCP adherence with the exception of traditionalism. Within a multivariable model, the six facets accounted for 7.1% of variance (p < 0.01) in adherence to the OCP. No one facet made a significant unique contribution to the model. These findings replicate and extend previous links between conscientiousness and OCP adherence. Further research should be conducted to establish the reliability of these findings in a general population of OCP users. Future interventions should focus on the development of interventions which take conscientiousness into consideration. 相似文献