Age Constraints on Second-Language Acquisition

Age Constraints on Second-Language Acquisition Introduction: The main topic of this study is to see if the age in which a child immigrates to America has any affect on their relationship with English. The authors tested native Korean speakers, all of whom moved to the United States at various ages on their understanding of English syntax and phonology. They were testing them to see if the critical period hypothesis stands. The critical period hypothesis rests on the belief that as a person matures, their brain begins to become lessÂÂ   plastic, and as the brain loses neural plasticity, it also loses its second language learning ability.ÂÂ   (Scovel, 1988; Patkowski, 1980, 1990). However, others believe that second language learning ability is related to how often the second language is actually implemented into conversations (Oyama, 1979; Flege, 1987, 1988, 1995, 1998b; Bialystok, 1997). The authors are trying to see which of these two theories are valid; the maturational theory or the interactive theory. While bot h theories have yielded supporting evidence, there is not enough data to know which theory is more valid. Also, it is difficult to test the critical period theory because there can be multiple factors contributing to why a child is unable to acquire language past a certain age. The authors hypothesis is that age of arrival does have an affect on the relationship they will have with English as their second language. Methods: The authors tested 240 native Korean speakers. All of these people had immigrated to America between the ages of 1 and 3, and had lived in America for at least 8 years. Their age at the time of testing ranged from 17 to 47 years old. There were also 24 native English speakers in the study, and their ages ranged from 20-45. They used the discontinuity theory for this study. The discontinuity theory is the idea that development occurs in a series of distinct stages rather than gradually in a continuous process. The participants were split into 10 groups based o n their age of arrival to the United States. Most of the participants completed high school in the United States, and many also went on to higher education in the US as well. Participants were tested on an individual basis by bilingual Korean-English research assistants in an hour and a half study session. The participants were asked to repeat English sentences that were later examined by 22.05 kHz where they were normalized for peak intensity. They were thenÂÂ   judged by native English speakers for degree of foreign accent by having them rate the sentences on a scale 1-9 from strong foreign accent to no accent. Now to test their morphosyntax, the participants were asked to take a 144 item grammaticality judgement test. In the test, they had a recording of a man speaking both grammatical and ungrammatical sentences, and the participants had to judge which were grammatical, and which were not. These were the two methods used to test if age of arrival had any effect on the relat ionship of learning English as a second language. Discussion: The aim of this study was to see if the age in which a person moved to the United States had any impact on their relationship with learning English as a second language. In the study, the authors tested 240 Native Korean speakers to see if their age of arrival affected the way they learned English as their second language. They were tested on their phonology by examining their accent for degree of foreign accent as well as their understanding of English morphology by having the participants take a 144 item grammaticality judgment test. The results showed that age of arrival had more of an impact on the participants morphosyntactic understanding compared to their phonological understanding. Based off the data, we could conclude that age of arrival definitely affects a persons relationship with learning English as a second language. This finding definitely supports the idea that a critical period exists when it comes to learning a second language. One problem with the study is that it does not explain why morphosyntactic understanding was affected more than phonological understanding. There could be a number of reasons contributing to this, and it is still unknown exactly why this is the case. I think that this study really helped to prove that there is a correlation between the age of arrival and ability to pick up a second language. However, more research needs to be conducted in order to understand exactly what factors are causing difficulties to arise in being able to learn a second language after a certain age. Also, more research could be done to find out exactly what age it is that second language learning ability starts to decrease. References: Flege, J. E., Yeni-Komshian, G. H., & Liu, S. (1999). Age Constraints on Second-Language Acquisition. Journal of Memory and Language , 41, 78-104

Temperature Monitor Simulation Using LabVIEW Lab Report

Temperature Monitor Simulation Using LabVIEW - Lab Report Example An Alarm LED was added that is activated when the temperature signal is more than a threshold level selected using a Vertical Pointer slide. This system can be tested by pressing the Run button (arrow icon), but the data generated will not be very useful. A While Loop function was added to keep the program running until a Stop button is pressed. This way, a meaningful graphical data (temperature vs. time) will be displayed at the Waveform Chart. The results of the experiment showed that LabVIEW can be used to simulate simple circuits like a temperature monitor. The temperature signal can be generated and monitored inside LabVIEW, so as the output results. Added functionalities like unit conversion and alarm activations can also be simulated. In the previous experiment, an internal temperature signal was generated using a virtual Dial software. In this experiment, the temperature signal will be provided by an external power source. The previous block diagram was used but edited to replace the internal temperature source with an external source. The output results were observed using a Waveform Chart. As can be seen in the Fig. 2, the internal temperature signal source was replaced with the DAQ (PCI-6025E Data Acquisition Card) that is connected to a DC power supply with variable voltage output control. Varying this voltage simulated an incoming temperature signal. The signal was also passed through Multiply and Add functions to convert it from a Celsius value to a Farenheit equivalent. A Waveform Chart was used to display temperature variation with time. An Alarm LED was added that is activated when the temperature signal is more than a threshold level selected using a Vertical Pointer slide. This system was also tested by pressing the Run button (arrow icon) and using the While Loop function to keep the program running until a Stop button is pressed. This way, a meaningful graphical data (temperature vs. time) was displayed on the Waveform Chart. Conclusion: The results of this experiment showed that LabVIEW can be used to simulate circuits like a temperature monitor that uses external source. This external source can be controlled and monitored by LabVIEW. As in the previous experiment, added functionalities like unit conversion and alarm activations can also be simulated. Fig. 2 DAQ used as interface for external signal

Fashion business management Essay Example | Topics and Well Written Essays - 1500 words

Fashion business management - Essay Example Owing to the complex dynamisms of the fashion industry, many investors have steered clear of this investment, considering it as a high risk venture, which is only given consideration by companies at later stages of their development and growth, while only very few, most predominantly individual-based ventures, are engaged in the fashion business as start-ups (Giacobello, 2000 p44). To this end, it becomes significantly essential for any individual interested in the fashion business to commit themselves to understanding all the dynamics associated with the industry, before any engagement, either as investors or managers of fashion businesses. Therefore, this discussion seeks to analyze fashion business management, with a view to establishing the sourcing strategies, as well as the cultural considerations that requires to be made, for the fashion businesses that seek to operate within the global market place. The cardinal rule for any business has always been to know the customer (Blaszczyk, 2008 p23). This rule serves to guide business in the manner of operations, requiring that the sole reason for which a business is established is to serve its customers, through understanding their needs and satisfying them. Thus, for a fashion business, the sourcing strategies are pegged on the needs of the customers, which has to do with the quality that the customers are interested in, the range of prices they can afford and able to pay for the fashion products, as well as the time within which the customers need to be supplied with the products (Gale & Kaur, 2004 p18). Thus, to fulfill the above customer requirements, a fashion business merchandiser require applying the following strategies: The fashion business is characterized by demand fluctuations, where a certain type or style of apparels or clothing could be highly demanded in a certain season, and later the demand for the same turns to be very low (Han, 2003 p33). Thus, owing to the