Lipton and simon

Question 1

aim of lipton and simon

Answer 1

to test the reliability of diagnosis

Question 2

method of lipton and simon

Answer 2

• 131 patients radomly selected from a hospital that are all diagnosed w/ a psychological disorder
• 7 clinical experts reevaluated the patients in the hospital
• Their new diagnosis were compared w/ the old one

Question 3

findings of lipton and simon

Answer 3

• 18% of schizophrenic diagnosis recieved the same diagnosis by diff psychiatrist
• 50 were diagnosed w/ a mood disorder but only 15 initially

Question 4

conclusion of lipton and simon

Answer 4

• indicated that the same symptoms may not lead to the same diagnosis by diff psychiatrist
• demonstrates the importance of having more than one professional for diagnosis for better reliability

Question 5

strength of lipton and simon

Answer 5

• high ecological validity - natural setting (hospital) -> increase generalisability
• large sample size increase generalisability

Question 6

limitation of lipton and simon

Answer 6

• patients were already undergoing treatment which could have led to changes in symptoms
• studying the reliability of diagnosis in a naturalistic setting is problematic, thus less ecological valid approaches are often used