between 15 to 20 as (high risk) and more than 20 as (very high risk). This essay incorporates three major aspects with regards to the waterlow scale in respect to pressure ulcer. These aspects includes the high risk population ‚the reliability /validity and advantages and disadvantages of waterlow pressure ulcer scale. which population(s) the waterlow scale is applicable to? Waterlow scale one of the famous scales to assess the pressure ulcer. the Waterlow Scale is the most widely used in
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Discuss potential challenges to validity and reliability of your research question‚ data‚ and analysis. Validity and reliability are the backbone of what is accepted as scientific proof by researchers. Potential challenges to reliability of a research question‚ data‚ and analyses are any significant results must be repeatable. Anyone who wanted to perform the same experiment applying the same conditions should arrive at the same result. If this is successful this reinforces the results
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7.0513 > 6‚ which implies that the sample should be sand but not gravels. Furthermore‚ we may classify the sample following the table below accurately: As we see our sample contains 17.16% of gravel which satisfy the constraints of gravelly sand. So we may further conclude that the sample is poorly-graded gravelly sand. (3) For the engineering application of results‚ we may see that as sieve analysis test (dry sieve) results in gradation of sample in well-graded or poorly graded on the
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Internal validity - means that the conclusion which comes from an experiment is valid for the respondents who participated in the experiment. For any experimental design‚ we always require interval validity‚ without which experimental results are not interpretable. Threats to Internal Validity Selection - Subjects bring with them into the investigation unique characteristics‚ some learned and some inherent. Examples include sex‚ height‚ weight‚ color‚ attitude‚ personality‚ motor
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Reliability and Validity Sophia Fonash Walden University Reliability and Validity Whiston (2013) has explained that reliability is the qualification for having validity. The instrument can be reliable but does not mean it is valid. However‚ the assessment must be reliable to be valid. Whiston (2013) stated that if the inventory can measure something consistently but it may not be measuring what the assessment is supposed to measure then it is reliable but not valid. II. Purpose and Nature of the
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Internal validity has many advantages and disadvantages when completing the study. It’s important to not make too many errors and decrease any threats as possible. Whether health care‚ grades‚ heart rate‚ patient wait times‚ etc.‚ it’s important to have all necessary information‚ and presented accurate as possible on a table or graph. Being able to create a study is one thing‚ but facing issues in a study is another that must be contained. Issues with internal validity and external validity can be
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Exploring Reliability and Validity Lynetric Rivers Liberty University Abstract This paper will focus on the types of reliability and validity used in the Values and Motives Questionnaire. Also this writer will be investigating areas of concerns and strengths as it relates to the Values and Motives Questionnaire‚ well as formulating an opinion of the test (VMQ) with the material presented. This writer will further conveying information concerning the sample size‚ nature of population that
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internal validity as‚ “the quality of an experimental design such that the results obtained are attributed to the manipulation of the independent variable. In other words‚ if what you see is a function of what you did‚ then the experiment has internal validity.” (p. 235). When conducting research with experimental designs‚ researchers usually have two groups to test their experiment. These two groups are called “the experimental group” and the control group”. Experimental designs can provide a tremendous
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Conditions STRESSAMONG JOB INSECUREWORKERS AND THEIRSPOUSES* Stephan M. Wilson‚ Jeffry H. Larson‚ and Katherine L. Stone** Questionnaires were collectedfrom 111 couples from staff andfaculty members at a university experiencing a budgetary cutback. Data were examined to study the effects of employee versus spouse of employee status‚ age‚ emotional well-being‚ physical health‚ number of marrage and family problems‚ and job stress on general perceived stress. Multiple regression analysis was used to
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composition courses offered at Los Angeles City College (LACC) are sufficient in assisting its students in improving their writing skills. The opportunity for improvement is supplied by practice‚ introduction to various forms of writing‚ and essay samples. The expression “practice makes perfect‚” is true in any skill. Practice is vital for students to become successful writers. The more time dedicated to writing the more on can improve their writing
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