Issues of reliabilty and validity

HideShow resource information
Extent to which psychiatrists can agree on the same diagnosis. DSM 3 claims to increase __________ of diagnosis.
Reliability
1 of 18
The extent to which 2 clinicians produce the same results. 1960-1970= 11%
Inter-rater reliability
2 of 18
Normal people presented themselves to psychiatric hospitals in US, claiming they heard an unfamiluar voice in their head. All diagnosed with schizohprenia and admitted. None of staff recognised that they were normal.
Rosenhan
3 of 18
Follow up study. Warned hospitals that he was going to send out pseudo patients. 21% detection rate, but no pseudo patients sent
Rosenhan
4 of 18
50 senior psychiatrist in US. Asked to differentiaite between 'bizarre' and 'non-bizarre' behaviour. Inter-rater reliabilty of 40%
Majtabi
5 of 18
Inter-rate reliability as low as 11%. Diagnosis in inconsitant. DSM unreliable in accuratley and consistantly diagnosis schizophrenia
Whaley
6 of 18
Positive symptoms more useful for diagnosis than negative symptoms
Klosterkotter et al
7 of 18
Gave description of patient to 134 US and 194 British psychiatrists. 69% of US psychiatrists diagnosed schizophrenia, but only 2% British psychiatrists gave same diagnosis
Copeland et al
8 of 18
Concerns questions about what schizophrenia really is
Validity
9 of 18
Able to identify one single cause
Aetiological Validity
10 of 18
Able to prescribe a suitable course of treatment and be able to predict the course of illness
Predictive Validity
11 of 18
Has distinct symptoms
Descriptive Validity
12 of 18
Developed a first rank system that he believed distinguished schizophrenia from other disorders.
Scheider
13 of 18
Found people with DID have more schizophrenia symptoms than those with schizophrenia. Raises issues with comorbidity so hard to tret as diagnosis is unreliable
Ellason and Ross
14 of 18
Overlap of conditions
Comorbidity
15 of 18
Overlap of symptoms
Heterogenous
16 of 18
DSM validity low due to patients being heterogenous
Eysenk
17 of 18
Reductionist. Social bias. Cultural bias. Ethics. Idographic approach.
IDAs
18 of 18

Other cards in this set

Card 2

Front

The extent to which 2 clinicians produce the same results. 1960-1970= 11%

Back

Inter-rater reliability

Card 3

Front

Normal people presented themselves to psychiatric hospitals in US, claiming they heard an unfamiluar voice in their head. All diagnosed with schizohprenia and admitted. None of staff recognised that they were normal.

Back

Preview of the front of card 3

Card 4

Front

Follow up study. Warned hospitals that he was going to send out pseudo patients. 21% detection rate, but no pseudo patients sent

Back

Preview of the front of card 4

Card 5

Front

50 senior psychiatrist in US. Asked to differentiaite between 'bizarre' and 'non-bizarre' behaviour. Inter-rater reliabilty of 40%

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Psychology resources:

See all Psychology resources »See all Schizophrenia resources »