慢张力收缩性运动对阻御动脉粥样硬化发生的动物模型设计制作及原理

本文论述了动脉粥样硬化动物模型复制的动物选择，具体复制方法，并就慢张力肌肉收缩这种运动方式对动脉粥样硬化的阻御作用进行了较详细的科学理论分析。     

The Uncertain Future for Digital Visual Collections in the University

Digital documents in the networked information environment fundamentally change the ways that visual materials can be used in education and scholarly discourse. These new uses raise questions about research library strategies with regard to digitized visual materials as a part of their collections, challenge assumptions underlying intellectual property rights for images and their scope, and offer ways in which visual literacy can become a more integral part of the common educational experience.     

Gardening as a cognitive activity

Gardening and children are a natural combination; children love to play in the dirt, and are fascinated by growing things. The benefits of having a garden can go beyond the fresh vegetables and flowers, a lot can be learned in the process. Although skills involved in planting and caring for the garden and acquiring a rudimentary knowledge of biology are obvious benefits, many other cognitive skills can be introduced or reinforced with a garden project.Deborah G. Ventis is Associate Professor of Psychology, College of William and Mary, Williamsburgh, VA.     

The Technical Quality of Performance Assessments: Standard Errors of Percents of Pupils Reaching Standards

How accurate is the reported percent of students’reaching standards at the school level? How are standard errors for these statistics computed? How do estimates vary with choice of generalizability model?