Diagnosis Of Schizophreina Flashcards
Define ‘classify’
Organising symptoms into categories
Define diagnosis
Assigning a label of schiz to a patient
Can’t classify without diagnosis
What is ICD-10
World health organisation international classification of Disease edition
One way of diagnosing schizophrenia
What is DSM - 5
The American psychiatric association diagnostic manual edition
Another way of diagnosing schizophrenia
What is reliability?
Consistency of measurement (asses)
Test-retest reliability
Occurs when a clinician makes some diagnosis on sep occasions from same info
Inter-rater reliability
Occurs when different clinicians makes identical, independent diagnosis of same patient
Kappa score (stat test)
What value or above is good inter-rater reliability?
0.8 or above (score indicates effect inter-rater reliability
Define validity
Accurate diagnosis I (truthful)
R we meaning what we intended to?
What r the three types of validity? (To assess wheather something is valid or not)
Predictive validity
Descriptive validity
Criterion validity
Predictive validity
Diagnosis leads to successful treatment
Descriptive validity
Symptoms should differ from other disorder symptoms
Criterion validity
Different assessment systems arrive at same diagnosis for same patient then valid
Cultural bias
R or v?
Research suggests there is a significant variation between countries
Often tendency to over diagnose members of other cultures as suffereing from schizophrenia
(Allowing preconception to get in way as already have a view of cultures)
Unreliable
Gender bias
R or v?
Tendency for diagnostic criteria to be applied differently to men + women
Possible but due to different application
Unreliable
