PPT-Discuss validity and reliability of diagnosis

Diagnosis Diagnosis within abnormal psychology means identifying and classifying abnormal behavior on the basis of symptoms the patients selfreports observations clinical tests . 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 ________________________________ Thinking Questions. What is an IV?. What is a DV?. What is repeated measures design?. What is matched pairs design?. What is independent groups design?. What is a hypothesis? Can you name the 3 types . 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?. 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?. Lesson Two – Evaluation of the Four Ds of diagnosis. Davis (2009). Feedback from homework task – reading and making notes. Reliability and validity when it comes to diagnosis. Is the diagnosis reliable?. 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.. . 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. . 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). Basics . What is reliability? . What is validity? . Can you have one without the other? Why or why not? . Reliability. Observed score . = True score random error systematic error. Explain. Why is this important? . 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. 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.. Starter Activity: . General Discussion. Did you have any misconceptions about schizophrenia before you studied it for homework?. Had you heard of any of the symptoms before?. Were there any symptoms that you were surprised were associated with schizophrenia?.