Studies in Abnormality 1. Flashcards
“Value judgements are relative to individual cultural contexts”
Eysenk and Flanagan 200
black (Afro-Caribbean) immigrants were between 2 and 7 time more likely to be diagnosed with schizophrenia than white people
Cochrane
6 Major criteria for idea mental health
Jahoda (1958)
argues that using the above criteria would mean that most people would be considered abnormal
Mackay
Failure to function adequately
Rosenhan and Seligman (1989)
found that 14% of cases may be linked to exposure to the flue virus in the womb durinf the first timester
Brown et al (2004)
Found the concordance rate for schizophrenia in non-identical twins was 9% but for identical twins it rose to 42%
Gottesman and Shields (1972)
Found that first degree relatives of schizophrenics were 18 times more likely to develop the illness than a matches control group
Kendler et al (1985)
Found that in 13 families where there was a case of schizphrenia these families contained multiple cases in 3 or more generation. THey took DNA samples and found strong evidence that certain chromosones were linked to schizophrenia and passes on through the generations.
Gurling et al (2001)
1st experiment - Unreliability of diagnosis eight people free of psychiatric symptoms reported auditory hallucinations after being admitted into hospitals stopped reporting voices - later discharged 7-52 days later *only people suspicious were fellow patients*
Rosenham
2nd experiment- members of teaching hospital told about 1st study and were warned pseudo-patients trying to gain access- each member of staff rated new patient as imposter/not -193 patients admitted- 41 rated as imposter by at least 1 member of staff -23 suspected imposter by psychiatrist + one other staff
Rosenham
“None actually displayed the symptoms of schizophrenia but the context lead to expectation that they were indeed mentally ill”
Rosenham
Reviews 38 studies of antidepressants and found patients who receives placebos fared almost as well as those getting real drugs suggesting the beneficial effects of drug may be caused largely by the placebo effect.
Kirsch (2002)
Compared the use of tricyclics (antidepressants) and placebos in 28 studies and found a success rate of 35% for placebos and 60% for tricyclics
Mulrow (2000)
found that rekapse rates were lower for schizophrenics treated with anti psychotic drugs, when compared to placebo’s as a treatment
WHO world health organisation (2001)