Definitions Flashcards
What is an outcome measure?
A standardised, validated measure of performance, ability or status which is appropriate for any stage within the intervention process
What is validity?
When a measurement tool measures what it is supposed to
What is face validity?
Face validity is when the test appears to measure what it is supposed to
What is construct validity?
When consideration is given to the theoretical associations between the traits to be measured and the specific measurement tool
What is content validity?
The content of the test measures the construct as we have defined it
What are the 2 types of criterion validity?
Concurrent validity
Predictive validity
What is concurrent validity?
The measure is similar to (converges on) other measures that it theoretically should be similar to
What is predictive validity?
The ability of the measure to predict something it should theoretically be able to predict
What are the 3 types of reliability?
Intra-rater reliability
Inter-rater reliability
Test-retest reliability
What is intra-rater reliability?
The consistency of a single rater when measuring the same phenomenon on two separate occasions
What is inter-rater reliability?
The consistency between a group of raters when measuring the same phenomenon
What is test-retest reliability?
How stable a test or measurement tool is over time
What is sensitivity?
How often a test correctly generates a positive result for people who have the condition that’s being tested for
What is nominal data?
Categorical data – eg able / unable; independent/needs assistance of 1 / 2
What is ordinal data?
Points on an ordinal scale represent differences but the distance between each point is not equal
