USAHS EIP FINAL EXAM
Convergent validity - ANSWERS-do the scores on this measure correlate well with
similar measures? Do they correlate?
refers to the degree to which two measures demonstrate similar results
do different outcome measure correlate?
ex-all the different balance measures
Responsiveness - ANSWERS-how much change is expected (effect size), or needed
to show meaningful clinical change (MCID). What the outcome?
validity- systematic error (consistent inaccuracies of the test)
reliability- random error (dept on a variety of factors)
measures SEM, MDC, MCID
PICO - ANSWERS-P-patient, population, problem
, who are the users, patients, community being affected? what are their symptoms,
age, gender etc?
I-intervention
what is being done for the population-screening, surgery, rehab, services?
C-comparison
is there a control group or comparison element? different treatment options,
placebos, etc.
O-outcome
what do you want to achieve via the study. what do you hope to change or
measure? needs to be patient specific.
Convenience sampling - ANSWERS-Chooses the individuals easiest to reach. Ex-
college students
-use whoever is available and willing
limitations-people who agree to participate are more likely to be women, high
socioeconomic, more educated, more healthy, more adherent to medication
regimen so this is not always a reflection of the whole population
Convergent validity - ANSWERS-do the scores on this measure correlate well with
similar measures? Do they correlate?
refers to the degree to which two measures demonstrate similar results
do different outcome measure correlate?
ex-all the different balance measures
Responsiveness - ANSWERS-how much change is expected (effect size), or needed
to show meaningful clinical change (MCID). What the outcome?
validity- systematic error (consistent inaccuracies of the test)
reliability- random error (dept on a variety of factors)
measures SEM, MDC, MCID
PICO - ANSWERS-P-patient, population, problem
, who are the users, patients, community being affected? what are their symptoms,
age, gender etc?
I-intervention
what is being done for the population-screening, surgery, rehab, services?
C-comparison
is there a control group or comparison element? different treatment options,
placebos, etc.
O-outcome
what do you want to achieve via the study. what do you hope to change or
measure? needs to be patient specific.
Convenience sampling - ANSWERS-Chooses the individuals easiest to reach. Ex-
college students
-use whoever is available and willing
limitations-people who agree to participate are more likely to be women, high
socioeconomic, more educated, more healthy, more adherent to medication
regimen so this is not always a reflection of the whole population
