Friday, February 14, 2020

Sound Term Paper Example | Topics and Well Written Essays - 1000 words

Sound - Term Paper Example In this essay we are going to access the health effects of sound pollution to the human ear (Roberts, 6). Noise pollution is caused by industrial machines, building machines, motor vehicles, trains, and aircraft. This noise is produced in excess that is harmful to the human ear. Noise pollution has negatively affected the lives of people. There has been a direct link of noise pollution with health. Problems connected with noise pollution includes diseases related with stress like high blood pressure, loss of hearing, interference with speech, disruption when sleeping and lose productivity. The most commonly discussed disease is the Noise Induced Hearing Loss (NIHL). Research has shown that constant exposure to high levels of noise can cause numerous unfavorable health effects. (United States Comparative Ranking, 1975. 8) Noise pollution can cause hearing loss, usual auditory function of one’s ears are affected by too much noise. One is considered to have the ability to hear if he is capable of detecting sound within the frequency of 16-20,000 Hz. The diagram below shows how the h uman ear functions. The threshold of audibility or the point at which sounds are barely detectable is shown below. In clinical hearing evaluation, normal hearing falls within a range of 0 to 25 dB of the threshold of audibility. . The capability to hear means being able of detecting sounds within the frequency range of 16-20,000 Hz. The threshold of audibility or the point at which sounds are barely detectable is shown in Figure 2-2. In clinical hearing assessment, normal hearing falls within a range of 0 to 25 dB of the threshold of audibility. To understand more about the effects of sound to our ears, we are going to see the parts of the ear in the diagram below. The outer ear has the auricle or pinna [1] the auditory canal [2]. The pinna of human ear is a residual composition though it may aid in the localization of sound

Saturday, February 1, 2020

Dykeman Article Essay Example | Topics and Well Written Essays - 1250 words

Dykeman Article - Essay Example Bureau of the Census, 1996 (Dykeman, 2003, p. 41). No doubt, theses parental divorces can adversely affect the future life of such children; these can negatively affect the psychological health of children and their performance at school. Children are also very much affected by the manner of interaction between their parents both before and after the divorce; children fail to meet academic and social expectations at school and are moved by feelings of anxiety, depression, aggression, lack of emotional well-being and self-esteem (Dykeman, 2003, p. 42). This highlights the role of school counselors and pinpoints the need of introducing primary, secondary and tertiary interventions among these children. The purpose of Dykeman’s study was to observe the effects of pre-referral tertiary-intervention program on such children who were referred for special education assessment due to behavioral difficulties that stemmed from their parents’ separation or divorce. 21 students (even though only 15 of them completed the treatment and follow up) were thus selected and the community agency counselors administered a conflict-resolution model of family-systems intervention on both the children and their respective custodial parents. The treatment focused mainly on the â€Å"cognitions and behaviors operant within the family environment that both preceded and followed classroom misbehavior and the strategies used by the custodial parent to discipline and socialize the child† (Dykeman, 2003, p. 43). The participant children were enrolled either in their seventh or eighth grade and the 15 custodial parents were middle aged, with 13 mothers and 2 fathers. The progress made by t he children were measured using the Conflict Tactics Scale in terms of their reasoning, verbal aggression, and violence. It is worthwhile to attempt a critique of the statistical analysis presented throughout the article. As already mentioned