概括
意大利有很大比例的学生携带重型背包,超过成人建议. 这凸显了背包负荷限制的迫切需要,因为人们越来越担心儿科背部疼痛.
科学领域:
- 儿科卫生健康 儿科卫生健康
- 生物力学 生物力学
- 公共卫生 公共卫生
背景情况:
- 有证据表明,意大利学生携带过多的背包负荷的患病率很高,其中34.8%的学生每周超过身体重量的30%.
- 这种做法超出了为成年人制定的推指南,表明对年轻人的潜在风险.
相关概念视频
02:57The Sense of Self: Reflected Self-Appraisal and Social Comparison
According to Charles Cooley, we base our image on what we think other people see (Cooley 1902). We imagine how we must appear to others, then react to this speculation. We don certain clothes, prepare our hair in a particular manner, wear makeup, use cologne, and the like—all with the notion that our presentation of ourselves is going to affect how others perceive us. We expect a certain reaction, and, if lucky, we get the one we desire and feel good about it. But more than that, Cooley...
02:04Bullying
A modern form of aggression is bullying. As you learn in your study of child development, socializing and playing with other children is beneficial for children’s psychological development. However, as you may have experienced as a child, not all play behavior has positive outcomes. Some children are aggressive and want to play roughly. Other children are selfish and do not want to share toys. One form of negative social interactions among children that has become a national concern is bullying.