PPT-Validity , reliability,

reproducibility of an index test Definitions and A ssessment Clinical practice involves measuring quantities for a variety of purposes such as aiding diagnosis predicting. 0 RELIABILITY ALLOCATION Reliability Allocation deals with the setting of reliability goals for individual subsystems such that a specified reliability goal is met and the hardware and software subsystem goals are well b a comparative analysis of 3 online appraisal instruments ability to establish rigor. Karin . Hannes. Centre for Methodology of Educational Research. K.U.Leuven. The Aspirine . C. ase. To appraise or not to appraise. IB Syllabus Says:. Discuss the validity and reliability of diagnosis. Issues related to diagnosis: . http://. www.youtube.com/watch?v=xYemnKEKx0c. . http. ://. www.youtube.com/watch?v=gu7NDUc5TD4. . TYPE OF RELIABILITY/VALIDITY NUMBER OF PERSONS TO ASSESS Test - Retest Reliability Inter - Interviewer Reliability Inter - Respondent Reliability Concurrent Validity ________________________________ Is the Test Appropriate, Useful, and Meaningful?. Properties of Validity. Does the test measure what it purports to measure?. Validity is a property of inferences that can be made.. Validity should be established over multiple inferences.. A Cheat Sheet. Power Point. What does it mean. Validity . – Depends on the . PURPOSE. . (reaching a conclusion). Must . be . inferred. from evidence. What . you learn from it . Reliability. – The . Reliability gets more attention:. Easier to understand. Easier to measure. More formulas (like stats!). Base for validity. Need for validity. Does test measure what it claims?. Can test be used to make decisions?. 3.1.17. Turn in. : . Nothing. Take out. :. . Notes, notes, notes. Today’s Learning Objectives. :. Discuss validity and reliability of diagnosis. Today’s Agenda:. Abnormal Intro Cont.. Form Groups. It’s my favourite part of the syllabus…honest. Would a teacher lie to you?. I can reliably predict that you’re all yawning already. Y. Right, own up. Who wrote that? Detention for a week! Yes, we know it seems boring.... & . Validity. Reference. The majority of this lecture was taken . from . How . to Measure Survey Reliability . & Validity. . by Mark . Litwin. , Sage Publications,1995. .. Lecture objectives. Why is this so important and. why is this so difficult?. Reliability and Validity. The language for this is from the quantitative tradition—scientific . verification—positivism. . Habermas. ’ cognitive interest of . Daren K. . Heyland, MD, MSc, FRCPC. Professor of Medicine. Queen’s University, Kingston General Hospital. Kingston, Ontario. A Randomized Trial of Supplemental . Parenteral. Nutrition . in Under . Instrumentation: Validity Measuring Caring in Nursing Validity: Defined Extent to which instrument reflects abstract construct being examined; measures what it is supposed to measure Domain or Universe of Construct Cynthia Conn, PhD. Assistant Vice Provost, Professional Education Programs. Kathy Bohan, . EdD. Associate Dean, College of Education. Sue Pieper, PhD. Assessment Coordinator, Office of Curriculum, Learning .