validity

Question 1

validity

Answer 1

Legitimacy of data collected
Valid ds operationalises symptoms and behaviours so they are measurable eg schizo having 2 or more symptoms for a month

Question 2

concurrent

Answer 2

2 cs agree about symptoms of mud and reach same diagnosis

Question 3

predictive

Answer 3

If diagnosis leads to treatment, used to predict how it will work on the patient+ predicting prognosis

Question 4

Aetiological

Answer 4

Accurately identify the cause of mhd

Question 4

CV 03

Answer 4

I research ev showing diagnosis can be accurate
J dsm iv Kim demonstrated CV by intv child, mom + tr q
E demonstrates more than 1 sources agrees w DSM

Question 5

aetological 03

Answer 5

I evidence that icd has pred validity like DSM
J Mason diagnosis of schizophrenia w ICD has good predictive validity for future prognosis inv flat affect and disorganised behaviour.
E useful ltm treatment and support planned for indv to manage disorder over time.

Question 6

concurrent v 03

Answer 6

I low CV for dsm and icd
J Andrews 68% agreement on 1500 patients
E disagreement on diagnosis despite same time and patient
Validity questioned as at least one diagnose us likely to be inaccurate

Question 7

Case studies 03

Answer 7

I Rosenhan demonstrates diagnosis lacks validity
J ev diagnosis were flawed as staff were unable to distunguish mental disordered from healthy
E lowers validity or diagnostic tools accurately diagnosing schiz
However study demonstrated reliability if diagnosis