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Issues with validity and reliability
Why is validity and reliability important
Issues with validity and reliability
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This paper will discuss several different aspects of using evidence research. It will compare and contrast validity vs. reliability and address wither it is possible to have an instrument that is valid and not reliable. It will also examine type I and type II errors as well as examine the differences between parametric and non-parametric. Lastly, this paper will look probability and what the minimum level of significance is for a research paper. Validity is essentially the degree to which a conception is founded and parallels accurately to the real world. Validity is the tool that measures what the particular research was anticipated to measure (Schmitt & Brown, 2012). There are several different types of validity but the ones that will be discussed in this paper are concurrent and predictive. Concurrent validity is taking an already validated point and testing it with another measurement tool. This means that there was already a hypothesis proven right or wrong and now the researcher will be testing this same hypothesis but will being using another type of tool to see if the result...
The sampling procedures that can be utilized in evaluation research is vast. The selected sampling procedure is important in the consideration of external validity. External validity generalizes the findings to individuals in the study sample with characteristics that are alike (DiClemente et al., 2013). Although, not all research studies will require a sampling procedure that would deliver an external validity.
Davies, K. S. (2011). Formulating the evidence based practice question: A review of the frameworks. Evidence Based Library and Information Practice, 6(2), 75–80. Retrieved from https://ejournals.library.ualberta.ca/index.php/EBLIP/article/viewFile/9741/8144
...the data did not involve member checking thus reducing its robustness and enable to exclude researcher’s bias. Although a constant comparative method was evident in the discussion which improved the plausibility of the final findings. Themes identified were well corroborated but not declared was anytime a point of theoretical saturation Thus, the published report was found to be particularly strong in the area of believability and dependability; less strong in the area of transferability; and is weak in the area of credibility and confirmability, although, editorial limitations can be a barrier in providing a detailed account (Craig & Smyth, 2007; Ryan, Coughlan, & Cronin, 2007).
In the article “Using Evidence-Based Practice to Reduce Catheter-Associated Urinary Tract Infections”, by AJN, the author states how catheters are causing urinary tract infections among adult patients in healthcare facilities. The purpose of healthcare workers reading the article, “Using Evidence-Based Practice to Reduce Catheter-Associated Urinary Tract Infections”, is to provide better care to their patients with a Foley catheter and to try and prevent a urinary tract infection associated with a Foley catheter. This article affects the nursing process by presenting it with further education, and affects the patients by giving them a better catheter experience.
Rousseau, D. 2006, Is there such a thing as evidence based management? , Academy of Management Review, vol.31, 2, pp.256-269
The articles, published after 1996, contain varied methods of research attainment, but share similarities such as being a self-survey, having a small sample size, and being
In evaluating the evidence, the relevance of the evidence can be graded on its effectiveness, appropriateness, and feasibility. If it has been deemed that there is sufficient research base the next step is pilot the change in practice.
If they decide that there is ample material on the specific topic at hand, the team moves on to the next phase of the Iowa model. If sufficient amounts of research do not exist on the subject, a research study may need to be carried out (Brown, 2014). This stage also consists of the research team evaluating the rigor of the research that they have collected (Doody & Doody, 2011). It is important to have an analysis procedure in place for all members of the research team to follow when evaluating research studies to ensure consistency in the appraisal of the quality and precision of each research study found (Doody & Doody, 2011). According to Doody & Doody (2011), “effectiveness, appropriateness, and feasibility” (p. 663) are three of the grading standards that researchers can use in evaluating research studies.
Evidence based practice is instilled in many nursing students these days on how patient care should be practiced. For some reason, once school is over, many nurses do not go on to further their learning. They lose the passion to research and take nursing as a job with a paycheck. Maintaining competencies can become a challenge for those who are not passionate about learning and learning new ways of practicing can be a struggle beause they do not care.
There are some key distinctions between Randomized Controlled Trials (RCT) in a psychotherapeutic context and a medical context. There are key differences between the design of an RCT to evaluate a new drug and an RCT to evaluate a new form of couples’ therapy. However, it is important to begin by defining and understanding the importance of RCT in research (O'Brien, 2013).
The internal validity test is very useful in expounding whether the empirical findings match with the main research questions of such a study or not; Yin (1994, P.106). Within this study, the researcher has conducted interviews. The respondent also gave her the chance to ask follow-up questions when it is necessary for her. All these facts have given her the ability to fulfil and to answer her main research question.
Validity scales are also found in a study by Caldwell- Andrews, Baer, and Berry. Validity scores measured in self- reports can be more bias than those of a correlation between observer and self- reports.
It has been contemplated by the researchers that evidence based practices works on the basis
The possible types of data and resources are presented in the problem statement concerning the various research stages. According to Creswell (2013) interviews, developing surveys, measuring, and using the observation methods are important to the literature review of this study.
The Importance and Appropriateness of Utilizing Different Methodologies for Research. Introduction The process of research entails the logical as well as systematic search for useful data and information with regard to a specific topic (Jha, 2008). It is also comprised of the investigation of the best, most cost effective and appropriate solutions to both social and scientific issues, following an objective and logical analysis. Jha, (2008) defines research as the search for knowledge and the discovery of the truth. During this process, the data can be gathered from a wide pool of sources among them interviews, books, nature among others.The data can then be analyzed with the appropriate data analysis tools, so as to report the findings