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Gall states sampling strategies like these may be incompletely accurate due to the verbal data given and artifacts researched. it's never 100% accurate, the sampling, due to the fact the data is gathered through verbal, at times, unproven means. Levin names certain strategies that could easily be devoid of accuracy due to researcher's lack of funds. "View that data-analysis strategies such as cross-validation, boot-strapping, and jackknifing "indicate the likelihood of replication" (Nix and Barnette) or "may provide an estimate of replicability" (Daniel). For readers not in the know and who might be misled by such semantic twists, allow me to elaborate briefly. A "replication" defined by corroborating analyses based on alternative slices or samples of the same data" (Research in the Schools 1998)
Statistical power ought to be included in research because it implies the nature of accuracy. "Some of Nix and Barnette's assertions about statistical power and a study's publish ability are similarly misleading. First, the authors state that the problem is of special concern in educational research, where ". . . effect sizes may be subtle, but at the same time, may indicate meritorious improvements in instruction and other class-room methods." If instructional improvements are indeed "meritorious," then: (a) effect sizes will not be "subtle;" and (b) even with modest sample sizes, statistical signifi-cance will follow. (Research in the Schools 1998) it is seldom published due to the nature of it. It can be misinterpreted and as Levin said people can create misleading arguments for or against it. In order for statistical power to be improved, the qualitative...
"Qualitative researchers rely heavily on verbal data and artifacts, but occasionally they collect numerical data as well. For example, they might select a case to study because the individual or group earned an unusually high or low score on a test. Or they might study the effects of an intervention on an individual or group; one of the effects might be a quantitative outcome, such as performance on an achievement test." (Statistical Significance vs. Practical Significance of Research Results 2012)
The implications of thinking about sampling and power analysis for my own planned research interests are that I would focus on the quality of research done. I want the sample to be as accurate as possible to improve chances of predictability. I would definitely research at risk populations, especially in the education system as Gall and Levin have discussed. Reading these two articles have helped better understand the value of data and the need for precise information.
References
Statistical Significance vs. Practical Significance of Research Results. 2012.Statistical Significance vs. Practical Significance of Research Results. [ONLINE] Available at:http://pages.uoregon.edu/mgall/statistical_significance_v.htm. [Accessed 12 May 2012]
Research in the Schools (1998). Volume: 5, Issue: 2, Publisher: MIT Press, Pages: 43-53. [ONLINE] Available at:http://www.personal.psu.edu/users/d/m/dmr/sigtest/6mspdf.pdf. [Accessed 12 May 2012]
RICK HOUSER'S BOOK COUNSELING AND EDUCATIONAL RESEARCH Rick Houser's book "Counseling and Educational Research" Rick Houser's book "Counseling and Educational Research" Why is it important to acquire necessary skills in research for a counselor? Clinical counselors are doctoral-level providers of health services skilled in counseling clients while evaluating and treating emotional and mental disorders utilizing scientific theories and methods. Adequate interpersonal correspondence skills are imperative. A clinical counselor must have the ability to listen
They analyzed the data by sex, so that obesity rates for boys and girls could be separated out. Figure 1 shows the findings of their study. Figure 1. Increased Numbers of Overweight and Obese Children in Canada, 1981-1996 As can be seen from viewing Figure 1, the rates of obesity for boys are higher than for girls at these early ages. Tremblay and Willms suggest that "environmental" factors such as diet
role of Islam as a unifying force Perhaps more than any other religion in the world, Islam has put to work its less obvious sense in order to unify the peoples sharing the same belief. Through its art, its common language and its judicial system that has the Koran teachings at its base, Islam was a unifying force among the Arabic peoples of the Arabic Peninsula, Northern Africa and the
123). In this study, Martinez-Contreras and her associates report the results of recent research that has provided additional evidence concerning the function of these proteins in precursor-messenger RNA (pre-mRNA) splicing (2007). The splicing repression can function in two discrete ways in heterogeneous nuclear RNP proteins; the first way is by antagonizing the recognition of splice sites directly and the second way is through interference with the binding of proteins that
NPSAS was the only study in 1996 that encompassed the people who enrolled in the for-profit institutions which is why not even the very basic criteria of the for-profit sector and its educational setup has been well-recognized (Breneman, Pusser and Turner 2000; Chung, 2006). The confirmation that the students who had some sort of shortcoming whether in the financial sector, minority aspect or admittance-timeline factor were the ones who mainly
This qualitative research uses a Delphi study to explore the perceptions of special education teachers regarding retention. This Delphi study includes twenty-five to thirty special education teachers of K-12 in two California districts of less than 40,000 students. The information gathered provides leaders in the field with successful practices in retaining special education teachers. Purpose of the study The primary purpose of this study is to explore the perceptions of special education