PPT-Reliability or Validity

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. 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. 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.. Measuring Research Variables. Research Methods in Physical Activity. Research Methods in Physical Activity. Validity. Validity (. Degree to which a test or instrument measures what it purports to measure; can be categorized as logical, content, criterion, or construct validity. . 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 . Starter. Answer the exam questions in silence, no notes! . 15 . The students thought that having a dog on a lead was a useful measure of considerate . behaviour. because it had face validity. Explain what is meant by face validity in this context. . Part 2. Foundations of Measurement for Human Resource Selection. CHAPTER. 5. ©2011 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.. Validity . Is the translation from concept to . operationalization. accurately representing the underlying concept. . Does your variables measure what you think in abstract concepts.. This is more familiarly called Construct Validity.. . of. . diagnosis. DSM. The . D. iagnostic and . S. tatistical . M. anual of Mental Disorder (Edition 4), was last published in 1994. . The DSM is produced by the American Psychiatric Association. . & . Validity. Reference. The majority of this lecture was taken . from . How . to Measure Survey Reliability . & Validity. . by Mark . Litwin. , Sage Publications,1995. .. Lecture objectives. 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 . Some types of validity. Criterion-related . Content. Construct. All part of . unitarian. view of validity. Constructs - theoretical abstractions aimed at organizing and making sense of our environment; they are. Diagnosis. Diagnosis within abnormal psychology means identifying and classifying abnormal behavior on the basis of . symptoms. , . the . patients’ self-reports, . observations. , . clinical tests . Reliability of diagnosis. = the extent to which clinicians agree on the same diagnosis for the same patient. .. The extent to which the same diagnosis is given in different cultures. Reliability in diagnosis.