Schizophrenia Evaluation Flashcards
Classification - Validity
-Strength
-Research Support for Gender Bias in diagnosis
Ev- Loring and Powell - men diagnosed more than women when patient described as male.
-Men generally diagnosed more than women.
Classification - Validity
- Limitation
- Consequences of co-morbidity
Ev- Weber - high co-morbidities - worse care - poorer prognosis for SZ.
Classification - Validity
- Limitation
-Low validity in diagnosis
Ev- Low criterion validity for ICD 10 & DSM IV when same 100 patients diagnosed.
Classification - Reliability
- Limitation
-Low inter-rater reliability
Ev- Whaley - inter-rater reliability for DSM = 0.11
Counter - Osorio = +0.97 inter-rater reliability for DSM.
Classification- Reliability
- Limitation
-Unreliable Symptoms
Ev- One symptom requirement if delusions are bizarre reduces reliability.
Classification - Reliability
- Limitation
-Cultural Bias
Ev- Acceptance of. symptoms differ across culture - British Afro Caribbean people up to 9 times more likely to be diagnosed than white British people.
