PPT-Reliability, Validity, Relevancy of Research Materials

Sherwood Brooks Driftwood Middle School 2011 We live in time when we are bombarded with information A wise in consumer must be able to determine which information is trustworthy and what needs to be disregarded. 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 TYPE OF RELIABILITY/VALIDITY NUMBER OF PERSONS TO ASSESS Test - Retest Reliability Inter - Interviewer Reliability Inter - Respondent Reliability Concurrent Validity ________________________________ EXCELLENCE. Seth Carruthers. Joe Deighton. Lee DeLaet. Mark Douglas. Allison Edwards. Co-chairs. Carey Adams. Janelle Densberger. Christine Keller. Linda Magrath. Sharon McCaslin. Amy Peach. Gale Rice. 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. . 2. Reliability, Validity and Scale Construction. Steve Fisher, Robert Andersen. and. Anthony Heath . . Department of Sociology. . UNIVERSITY of OXFORD. 2. The Logic of Sampling & Measurement. 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. 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.. & . 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 . Jamie DeLeeuw, Ph.D.. 5/7/13. Reliability. Consistency of measurement. The measure itself is dependable.. ***A measure must be reliable to be valid!***. High reliability = greater consistency = lower randomness (error). 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 . Gay, Mills, and Airasian. State the definition and purpose of qualitative research. . 1.1 Define . qualitative research. . . 1.2 Describe the purpose of qualitative research. . 1.3 Identify four unique characteristics of qualitative research.. 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?. Validity. Reliability is a necessary, but not a sufficient condition for validity..