经济生活服务频道的又一品牌节目--评"2001年中国经济年度报告"

非常欣慰地看到元旦晚上的“2001年中国经济年度报告”。不知是巧合还是有意，“2001年中国经济年度报告”被安排在新年音乐会后，颇具意味，因为对于关心中国经济的观众，电视版的中国经济年度报告确实是一道新年盛宴、也是一场新年音乐会——激动人心的历史时刻在电视屏幕上再现；年度的领衔经济事件在屏幕上重演；权威经济学家和社会学家用通俗的话语阐释年度经济现象和经济学思想；对经济学家的调查和百姓生活故事演绎着年度经济指标……毫无疑问，电视版的“2001年中国经济年度报告”是经济生活服务频道开发和制作的又一品牌节目。     

Effects of high-intensity interval training on cardiometabolic risk factors in overweight/obese women

The purpose of this study was to evaluate two practical interval training protocols on cardiorespiratory fitness, lipids and body composition in overweight/obese women. Thirty women (mean ± SD; weight: 88.1 ± 15.9 kg; BMI: 32.0 ± 6.0 kg · m²) were randomly assigned to ten 1-min high-intensity intervals (90%VO₂ peak, 1 min recovery) or five 2-min high-intensity intervals (80–100% VO₂ peak, 1 min recovery) or control. Peak oxygen uptake (VO₂ peak), peak power output (PPO), body composition and fasting blood lipids were evaluated before and after 3 weeks of training, completed 3 days per week. Results from ANCOVA analyses demonstrated no significant training group differences for any primary variables (P > 0.05). When training groups were collapsed, 1MIN and 2MIN resulted in a significant increase in PPO (?18.9 ± 8.5 watts; P = 0.014) and time to exhaustion (?55.1 ± 16.4 s; P = 0.001); non-significant increase in VO₂ peak (?2.36 ± 1.34 ml · kg^?1 · min^?1; P = 0.185); and a significant decrease in fat mass (FM) (??1.96 ± 0.99 kg; P = 0.011). Short-term interval exercise training may be effective for decreasing FM and improving exercise tolerance in overweight and obese women.     

“They Even Speak Tsotsitaal with Their Teachers at School”: The Use (and Abuse) of African Urban Youth Languages in Educational Contexts

Abstract

African Urban Youth Languages (AUYLs) are increasingly coming under the spotlight of linguists and sociolinguists across the continent, who are investigating their relationship to standard and/or vernacular varieties. Simultaneously, they are being discussed by educators and education researchers, although little has yet been published in this critical area. The difficulties for educators posed by students speaking “non-standard” varieties has been highlighted by recent studies investigating literacy and language in the classroom. This article presents an overview of some of the challenges posed to education by AUYLs. It considers recent studies of AUYLs in educational contexts from around the continent. It then presents data from South Africa which highlights different orientations towards the South African AUYL “Tsotsitaal” in educational domains. The argument is made that the position of both teachers and pupils is vulnerable, and that the legitimacy of the distinction between standard language and urban vernacular language needs to be reconsidered.     

Preliminary Investigation of the Sources of Self-Efficacy Among Teachers of Students with Autism

Teacher self-efficacy refers to the beliefs teachers hold regarding their capability to bring about desired instructional outcomes and may be helpful for understanding and addressing critical issues such as teacher attrition and teacher use of research-supported practices. Educating students with autism likely presents teachers with some of the most significant instructional challenges. The self-efficacy of 35 special education teachers of students with autism between the ages of 3 to 9 years was evaluated. Teachers completed rating scales that represented self-efficacy and aspects of the following 3 of Bandura's 4 sources of self-efficacy: (1) sense of mastery, (2) social persuasions, and (3) physiological/affective states. Significant associations were observed between physiological/affective states and self-efficacy, but no associations were observed for the other sources.     

Impact of degree program satisfaction on the persistence of college students

Many theories on college retention recognize the significance of student satisfaction as a positive factor in students’ persistence. Yet, there are few theories that address the relationship of degree program satisfaction to study behaviour and dropout. This paper explores the impact of degree program satisfaction on academic accomplishment and dropout. The impact of degree program satisfaction was studied within a multitheoretical framework. The results of the study show that student accomplishment not only depends on differences in academic ability but also on degree program satisfaction. Decreased degree program satisfaction appears to diminish both study motivation and study behaviour. The authors discuss some implications for current educational practice.