reliability in diagnosing schizophrenia A03

Question 1

briefly state one limitation of reliability

Answer 1

the lack of inter rater reliability

Question 2

what did Whaley find?

Answer 2

he found that inter rater reliability correlations in the diagnosis of schizophrenia are as low as 0.11.

Question 3

what is there little evidence of in terms of the lack of inter rater reliability?

Answer 3

that the DSM is routinely used with high reliability by mental health clinicians.

Question 4

what is another limitation of reliability?

Answer 4

unreliable symptoms

Question 5

what did Mojtabi and Nicholson find?

Answer 5

they found that when 50 senior psychiatrists were asked to state the difference between bizarre and non-bizarre delusions, they produced inter-rater reliability correlations of around 0.40.

Question 6

what do Mojtabi and Nicholsons findings highlight?

Answer 6

it highlights the lack of sufficient reliability in the use of the DSM for it to be a reliable method of distinguishing between sz and non sz people.