Psyc 3140 – Lecture 2 – Jan 14 , 2014
Chapter 5 will not be quizzed on. Chapter 1,2,3,4. Will be on the test
Symptoms of psychosis decribed in the interview
-ideas of reference
-efforts to protect the rights of the mentally ill can unfortunately result at times in individuals
being incarcerated in jails instead of…
Teenage girl admitted to hospital for a 30-day forensic (psycho-legal) psychiatric assessment.
Dangers of Labelling:
-Rosenhan (1973) on Being in Insane Places
1. Carless diagnostic practices- lack of follow-up to re-confirm condition
2. Criticism of staff contact –need to humanize treatment.
Vignette – Student Therapist
-Issue: Do you need to give a diagnosis? :
-1920-2002 died of Leukemia
-obtained his phd _ u of Minnesota 1945 and then was a faculty member there
-Strong interest in psychometrics (test development) 1962 – President of the American
Psychological Association – Great titles for articles – Why I never attend case conferences?
Meehl’s predictions – factors that will remain important for abnormal psychology -psychometrics
-Applied Learning theory
-Descriptive clinical psychiatry
Goals of Classification:
-Basis for communication
-Source of concepts within scientific theory
Classification is limited by unreliability what are sources of inconsistencies?
-Subject (person) variance – different conditions at different times **
-Occasion variance – person is in different stages of same condition **
-Information variance – different sources of information
-Observation Variance – inter-rater reliability
-Criterion variance – due to vagueness of classification system.
Validity – Reasons for making diagnoses?
-Predictive validity – useful because people diagnosed with classified condition respond to
-Concurrent validity – useful because people with diagnosed condition have other attributions
not used in diagnosis itself
-Etiological validity – useful because all people with diagnosed condition are found to have the
Differences between psychiatry and psychology in views