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Research has shown that animated graphics are not the educational magic bullet that many expected them to be. They are neither necessarily superior to static graphics nor intrinsically effective in their own right. The Animation Composition Principle characterizes learning from animation as a hierarchical relation-building process by which mental models of the depicted subject matter are progressively and cumulatively constructed from discrete information primitives. It helps explain the limited success of previous attempts to improve animation’s effectiveness that took no account of their fundamental design. By giving due consideration to both perceptual and cognitive aspects of animation processing, the Animation Processing Model that embodies this Principle opens the door to novel, more effective compositional design options. These compositional animations significantly improve learning outcomes.
Ethnohistoric accounts indicate that the people of Australia's Channel Country engaged in activities rarely recorded elsewhere on the continent, including food storage, aquaculture and possible cultivation, yet there has been little archaeological fieldwork to verify these accounts. Here, the authors report on a collaborative research project initiated by the Mithaka people addressing this lack of archaeological investigation. The results show that Mithaka Country has a substantial and diverse archaeological record, including numerous large stone quarries, multiple ritual structures and substantial dwellings. Our archaeological research revealed unknown aspects, such as the scale of Mithaka quarrying, which could stimulate re-evaluation of Aboriginal socio-economic systems in parts of ancient Australia.
Research exploring the longitudinal course of posttraumatic stress disorder (PTSD) symptoms has documented four modal trajectories (low, remitting, high, and delayed), with proportions varying across studies. Heterogeneity could be due to differences in trauma types and patient demographic characteristics.
Methods
This analysis pooled data from six longitudinal studies of adult survivors of civilian-related injuries admitted to general hospital emergency departments (EDs) in six countries (pooled N = 3083). Each study included at least three assessments of the clinician-administered PTSD scale in the first post-trauma year. Latent class growth analysis determined the proportion of participants exhibiting various PTSD symptom trajectories within and across the datasets. Multinomial logistic regression analyses examined demographic characteristics, type of event leading to the injury, and trauma history as predictors of trajectories differentiated by their initial severity and course.
Results
Five trajectories were found across the datasets: Low (64.5%), Remitting (16.9%), Moderate (6.7%), High (6.5%), and Delayed (5.5%). Female gender, non-white race, prior interpersonal trauma, and assaultive injuries were associated with increased risk for initial PTSD reactions. Female gender and assaultive injuries were associated with risk for membership in the Delayed (v. Low) trajectory, and lower education, prior interpersonal trauma, and assaultive injuries with risk for membership in the High (v. Remitting) trajectory.
Conclusions
The results suggest that over 30% of civilian-related injury survivors admitted to EDs experience moderate-to-high levels of PTSD symptoms within the first post-trauma year, with those reporting assaultive violence at increased risk of both immediate and longer-term symptoms.
Trust law has grown and developed over recent years through the continued ingenuity of practitioners and the provision of innovative new trust laws by offshore jurisdictions. The wealth managed through the medium of trust law has also changed in recent years, as increasingly it has come from the newly rich of Asia. This brings distinctive issues to the fore: the role of settlors, family members and trusted advisors in trust administration; the position of trustees in relation to instructions coming from such persons; and an increased desire for confidentiality in trust administration and the settlement of trust disputes. This collection focuses on trusts which are deliberately created to manage wealth and the concomitant issues such trusts raise in other areas of law. Essays from leading members of the judiciary, practitioners and academics explore these developments and their implications for the users of trust law and for society in general.
The vision for dementia-friendly communities is challenged by limited public awareness and stigma about dementia. The study aim was to elicit stakeholder priorities for the message content of an education program to improve dementia awareness among youth; specifically, what do children need to know about dementia?
Methods:
A qualitative inquiry using interviews and focus groups was used. Purposive sampling achieved maximum variation in dementia experience and participant characteristics. Focus groups with Scouts in the community aged 9–12 years old (n = 22) used innovative techniques to explore children's attitudes towards people with dementia. Participants with personal experience of dementia were five people with early-stage dementia; 12 adult primary carers; four non-primary carers; and six grandchildren of a person with dementia. They were asked what is important for children to understand about dementia and what attitudes they may like an education program to confer. Content analysis was performed using NVivo10.
Results:
Strong themes to emerge were that children need to know the whole truth about dementia; that individuals with dementia are “still people,” that it is “not the fault” of the person with dementia; and that dementia is different and typically unpredictable for everyone. Discussions also indicated a need to educate children about ways to relate to a person with dementia, and to appreciate “positives” within a relationship.
Conclusions:
Children are our future citizens. Developing an education program for children with this message content may be fundamental to de-stigmatizing dementia and laying the foundation to dementia-friendly communities.
Multimedia learning environments present combinations of text, illustrations, narration, and animation and are typically computer-based. This chapter provides a brief review of the self-explanation principle, and introduces a framework for categorizing the number of ways in which self-explanation has been operationalized. While open-ended and menu-based approaches mark the two extremes, there are a number of ways of prompting students to self-explain that fall in the middle: focused, scaffolded, and resource-based prompts. Examples of each within the context of multimedia learning are presented. It presents a number of studies whose results support the hypothesis that self-explanation prompts that provide more focus or direction are particularly beneficial for multimedia learning environments, because they foster integration across multiple sources of information and help students to develop a single, coherent representation. The chapter also discusses implications for cognitive theory and instructional design and ideas for future work.