Data

Question 1

what are the three types of health outcomes?

Answer 1

record-based, biological or clinical, clinician or patient recorded

Question 2

how would you measure cognitive functioning?

Answer 2

self reported complaints, cognitive test scores

Question 3

what are the three types of validity?

Answer 3

construct validity
content validity
face validity

Question 4

what are the two types of construct?

Answer 4

convergent - are constructs that should be related, actually related?
discriminant - doesn’t measure what it should - may be correlations but will not be that strong

Question 5

what is content validity?

Answer 5

the outcome will measure all facets of a given construct

Question 6

what is face validity?

Answer 6

the outcome appears to measure what it should do

Question 7

how can you measure reliability?

Answer 7

test-retest - consistency over time

inter-rater reliability - different assessors

Question 8

what is responsiveness?

Answer 8

testing if the outcome is sensitive enough - can it change over time when needed

Question 9

what are the uses of health outcomes?

Answer 9

clinical trials - does it work
treatment trials - which is the best 
national and international variation identification - equality 
comparisons for trusts 
performance targets and monitoring

Question 10

what are some data properties?

Answer 10

continuous, discrete, nominal (categories), ordinal (categories ranked)

Question 11

what are common issues?

Answer 11

selection bias, timing, missing data, response shift (how valued something is), differential item functioning - language etc affecting response