Computers as learning resources in the health sciences: impact and issues

Starting with two computer terminals in 1972, the Health Sciences Learning Resources Center of the University of Minnesota Bio-Medical Library expanded its instructional facilities to ten terminals and thirty-five microcomputers by 1985. Computer use accounted for 28% of total center circulation. The impact of these resources on health sciences curricula is described and issues related to use, support, and planning are raised and discussed. Judged by their acceptance and educational value, computers are successful health sciences learning resources at the University of Minnesota.     

Mechanisms underlying reductions in stroke volume at rest and during exercise at high altitude

High-altitude exposure challenges the cardiovascular system to maintain oxygen delivery to the mitochondria under conditions of hypoxic stress. Following acclimatisation (3–5 days), stroke volume (SV) falls to below sea-level values but heart rate remains elevated, such that cardiac output is maintained compared to sea level. The decrease in SV has been a topic of research for over 40 years, but the underlying mechanisms are incompletely understood. Impaired systolic contractile function secondary to reduced coronary arterial oxygen tension has been investigated as a potential cause for the decrease in SV. However, despite in vitro evidence of impaired cardiac contractile force in severe hypoxia, the majority of studies to date have reported enhanced in vivo ventricular systolic function at rest and during exercise in humans up to and above 5000?m. However, the elevated function observed at rest has recently been suggested to reduce the functional reserve available during exercise. While in vivo systolic function appears enhanced at high altitude, a decrease in left ventricular end-diastolic volume (EDV) and altered filling patterns of both ventricles has been observed. The reduction in ventricular filling will undoubtedly affect SV, and four potential mechanisms have been proposed to explain the reduction in left ventricular filling. In this article, both historical and recent reports of systolic function at high altitude will be reviewed, and evidence supporting and refuting each of the four mechanisms underpinning reduced left ventricular filling will be discussed.     

“All methods—and wedded to none”1: The deaf education methods debate and progressive educational reform in Toronto,Canada, 1922–1945

This article is about the deaf education methods debate in the public schools of Toronto, Canada. The author demonstrates how pure oralism (lip-reading and speech instruction to the complete exclusion of sign language) and day school classes for deaf schoolchildren were introduced as a progressive school reform in 1922. Plans for further oralist reforms in 1945 brought significant opposition from a deaf political organisation – the Ontario Association of the Deaf (OAD).

The author situates the Toronto battle over methods between progressive educators and deaf people in the longer historical and larger transnational context of debates over oral and manual methods. The author’s examination of the Toronto methods debate raises and answers crucial critical questions about the contested nature of progressive school reforms by examining grassroots responses to reform. The author also places significant emphasis on the effects of reforms on deaf young people who received instruction. The pure oralist method was never as successful for deaf young people as oralists claimed it could be. Yet deaf youngsters felt more ambivalent about the methods than hearing school officials and parents, and deaf adults, did. Historical issues in deaf education that the author examines continue to be controversial today.     

Student experiences of engaged enquiry in pharmacy education: digital natives or something else?

This article reports on research into the student experience of enquiry in two tasks in a university pharmacy course. Students were required to investigate through a field trip how a community pharmacy operated to meet customer needs and the requirements of the Health System in which it operated. Students were also required to investigate interactions and other properties of particular medicines through an online research task. This study looked at the student experience of enquiry in these contexts and the implications of the findings of that investigation for the debate about how digital literacy might relate to experiences of effective enquiry. The study presents evidence that suggests aspects such as variation in approaches to enquiry are an indicator of the extent of student success rather than the technologies ‘per se’. Analysis of the student population data, interviews and open-ended comments in surveys identified qualitatively different experiences of enquiry in both the community pharmacy context and the online investigation. The outcomes suggest that the way students approach and conceive of enquiry is closely related to the quality of their outcomes, and that this appears to be a more significant factor in the nature of effective enquiry than their classification as digital natives as a result of their age.     

Physical education for deaf students

An ideal physical education program would be one that focuses on aspects leading to lifelong participation in and enjoyment of physical activity accompanied by appropriate fitness levels. Often, physical education classes are the only physical activity that many children receive throughout the day, and without them, an even greater number of children, including those who are deaf, would be prone to aspects associated with sedentary lifestyles. Schools need to involve their students in daily physical education classes. The emphasis of such a program should be placed on promoting physical fitness and developing skills that lead to a lifelong enjoyment of physical activity and healthy lifestyles. This paper reviews the literature on the state of physical fitness among deaf students and describes an exemplary physical education program that was implemented at a school for deaf children.     

Beyond situational ambiguity in peer conflict: unique and combined effects of cues from an antagonist and a best friend

In accord with increasing recognition of the situation specificity of childhood social behaviors, individual and contextual differences in children's responses to potential peer conflict were examined (hostile attribution, behavioral strategies, and affective reactions; N = 367, 9-12 years, 197 girls). Situational cues from 2 sources, the antagonist and a witnessing best friend, were designed to suggest the antagonist's intentions. Multilevel modeling indicated that children's responses generally varied more according to cues from the antagonist than friend, but the latter also affected responses, especially when conflicting with other situational information. Cognitive and affective responses were also influenced by gender, social goals, friendship quality, and self-efficacy for peer interaction. Findings provide theoretical insight on the context of peer conflict.     

The role of social identification as university student in learning: relationships between students’ social identity,approaches to learning,and academic achievement

This article describes research exploring the relationship between students’ self-perceptions in the context of university learning (i.e. student social identity), their approaches to learning, and academic achievement. The exploration of these inter-related aspects requires a mix of theoretical approaches, that is, in this research both social identity perspective from social psychology and the student learning research framework are used to explore student identity and learning in the context of higher education. Two structural equation models drawing on both these theoretical frameworks were tested. In the first of these models, deep approaches to learning are positively associated with students’ social identification as university student and positively predict academic achievement. In the second model, surface approaches to learning are negatively associated with students’ social identification and negatively predict academic achievement. The mediational roles of deep and surface approaches to learning in the relationship between student social identity and academic achievement are also explored.