Observational studies Flashcards
Why do we study expert decision makers?
to improve decision making
to understand it to develop decision support systems
Why is it difficult to understand expert decision makers?
Researchers do not get access to the people
the commissioning might be through the decision makers themselves
Access to the data might be difficult to manage
What is a retospective study?
where you go back over a closed case for people to talk through how decisions were made.
but difficult due to confidentiality
What is factor analysis?
Statistical analysis comparing highly correlated variables
Eg I like going to parties might link to I enjoy meeting new people, and with strong agreement with other statements can lead to identification of personality traits
What are 2 types of factor analysis?
Exploratory
Confirmatory
What is exploratory analysis I?
No set hypothesis
Use data to make groups
What is confirmatory analysis?
Start with groups and see if data fits the mold
