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Essay / Research Paper Abstract
This is a 3 page paper that provides an overview of hypothesis testing. A hypothetical situation shows how statistical significance can be determined. Bibliography lists 1 source.
Page Count:
3 pages (~225 words per page)
File: KW60_KFradeff.doc
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Unformatted sample text from the term paper:
are many studies which have demonstrated that individuals who use cell phones are impacted to some extent by the radiation emitted from these devices. However, unless the study also measures
that impact in relation to a mean determined by measuring the impact on a randomly selected sampling, then it is not possible to know whether or not the findings are
truly significant. For example, it might be that the measured impact is not greater than the impact which occurs naturally, through absorbing atmospheric radiation (in other words, cell phones may
not be a causal factor in the impact on neural function). In order to truly make such a determination, a testing for statistical significance is necessary, for which hypothesis testing
must be utilized. This paper will use the example of cell phone radiation and neural excitability to demonstrate the value of hypothesis testing. Research Problem This paragraph helps
the student frame the issue in the context of a research question, which will be answered through hypothesis testing. With the spread of cell phone usage so ubiquitous in the
modern day, the health risks imparted by the use of such devices is a topic of ever-increasing importance. A 2006 study by Ferrei, et al. looked at the effects on
brain tissue and neural function caused by various forms of emitted radiation, and came to the conclusion that even the radiation emitted by cell phone might have some negative impact.
While some studies have suggested that the impact upon cellular function is negligible, more recent indicators that have been able to consider long term exposure argue that increased neural excitability
is a key risk (Ferreri et al., 2006). The research problem to be answered is whether or not this level of neural excitability really is significantly higher or not.
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