validity and reliability in quantitative research ppt

Or use it to upload your own PowerPoint slides so you can share them with your teachers, class, students, bosses, employees, customers, potential investors or the world. n e t / k b / r e l &. Example : Consider a situation in which your patients with total knee arthroplasty typically achieve knee flexion ROM 90 degrees after taking 1 week of therapy. What do with it? Example: Berg balance scale is intended to measure one construct balance. Validity Validity Validity is the extent to which a test measures, what it is supposed to measure. The Joys of Critiquing Quantitative and Qualitative Research. $ « Ά Ά N I G G G gdj€ S kdά $$If –l Φ0 ”�π," \ This depends very much on the judgment of the observer. Looks like you’ve clipped this slide to already. A general rule of thumb is alpha sore value should be greater than 0.70 and less than 0.90. TYPES OF VALIDITY 2. 4.Criterion Validity: Do the results correspond to a different test of the same thing? Views: 278. Validity is defined as the extent to which a concept is accurately measured in a quantitative study. For example, a survey designed to explore depression but which actually measures anxiety would not be considered valid. - Qualitative research is considered to be exploratory and inductive. Content Validity. How to ensure validity and reliability in your research. What value does reliability and validity have to survey research? trustworthiness. Reliability vs. Validity in Qualitative Research 8 RELIABILITY . - Did the researcher ask the right questions and use the right techniques? They are all artistically enhanced with visually stunning color, shadow and lighting effects. Then a new dialog box will appear with the name of reliability analysis, then enter items in box in the model select alpha. Views: 288, By: huma The Validity and Reliability of Qualitative Research. ε hή/[ h Morse, Barrett, Mayan, Olson, and Spiers (2002) argue that their exclusion from qualitative research design undermines the credibility and rigor of qualitative research conclusions. If so, share your PPT presentation slides online with presentations for free. Emic studying behavior from inside the system. Degree to which scores are free of “Measurement Error. Do you have PowerPoint slides to share? See our Privacy Policy and User Agreement for details. Construct Validity: Construct validity evaluates whether a measurement tool really represents the thing we are interested in measuring. is a leading presentation/slideshow sharing website. ‚ The four types of validity. If you wish to opt out, please close your SlideShare account. 3625 office Fall, 2009 Pros and Cons of ... - Any kind of research that produced findings not arrived at by ... establish rapport, good listener, politeness, articulate enough to prompt respondents to talk ... - Qualitative research methods Qualitative research You need to be able to explain: what qualitative research is, and why it is controversial. An example is a measurement of the human brain, such as intelligence, level of emotion, proficiency or ability. Your objective is to teach the class about your reliability and validity topics. CC BY is the correct license for this work. Click the analyze menu, select correlate, and select bivariate. Examples: An IQ test correlate positively with school performance. l aφ ! " And, best of all, most of its cool features are free and easy to use. Test-retest reliability: Definition: Test retest reliability establishes the extent to which an outcome measures produces the same result when repeatedly applied to a patient who has not experienced change in the characteristics being measured.

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