reliability and validity of diagnosis

Question 1

Inter-rater reliability: what is it

Answer 1

do two different researchers give the same diagnosis.

Question 2

Test-retest reliability: what is it

Answer 2

does the same researcher give the same diagnosis twice at different times.

Question 3

Descriptive validity: what is it

Answer 3

do people with the same diagnosis have the same symptoms

Question 4

Predictive validity: what is it

Answer 4

is the outcome and symptoms of the diagnosis as expected after they are diagnosed

Question 5

concurrent validity: what is it

Answer 5

is the diagnosis the same when compared to a different diagnostic tool

Question 6

Inter rater reliability: a study to support

Answer 6

Goldstein (1988) - researchers reviewed the symptoms of people with SZ and they found a high level of agreement in the re-diagnosis

Question 7

Test retest reliability: a study to support

Answer 7

Stinchfield (2003) - used the DSM to diagnose people with gambling addiction and people without it and found that it was accurate in predicting wether or not they had it.

Question 8

Descriptive validity: a study to dispute

Answer 8

Rosenhan - put pseudo patients into a psychiatric hospital to see if the nurses would realise if they were sane or not as they stopped showing symptoms of SZ after they were admitted and they couldn’t

Question 9

Predictive validity: study to support

Answer 9

Kim cohen - found that children who had a conduct disorder at age 5 would have a behavioural issue or eduction issue at age 7

Question 10

Concurrent validity: a study to support

Answer 10

Andrews et al - people diagnosed with depression and anxiety were diagnosed the same with the DSM 4 and ICD 10