Reliability
True or False:
Reliability refers to how well a measurement aligns with a targeted construct.
False
If a test references another measure, what type of validity is this?
Criterion-related validity
What are the 4 levels of measurement?
Nominal, ordinal, interval, and ratio
A study found that there are only 3 second-year males in Stockton's MSOT program? What level of measurement would this fall under?
Nominal
Name the 4 types of reliability.
Rater, test-retest, alternate forms, internal consistency
If a test can infer a future reference standard, what type of validity is this?
Predictive validity
True or False:
Measurements on the ratio scale have a true zero.
True
Andrew sent out a survey to his classmates to see if they agree or disagree with this statement: "It's cool that Charles can tie his shoes very quick." The statement could be rated on a scale from 1 (Strongly Disagree) to 5 (Strongly Agree). What type of survey is this?
Likert Scale
What is 1 way to best ensure measurement reliability?
Standardize measurement protocols, train raters, calibrate and improve instrument being used, take multiple measurements, choose a sample with a range of scores, pilot testing
If a new test aligns with an already established test, what type of validity does this demonstrate?
Convergent validity
What level of measurement is Manual Muscle Testing (MMT)?
Ordinal
If you say that 6 out of 24 second-year students in the MSOT program are twins, what level of measurement is this?
Ratio
Madeline and Wendy both administered the Berg Balance Scale on the same client, but got drastically different results? What reliability does this demonstrate a poor example of?
Inter-rater reliability
Construct validity
Which level of measurement has no true zero?
Interval
Ordinal
Test-retest reliability
Caitlyn conducted a study to measure motivation in MSOT graduate students and got a result that instead displayed stress levels. Does the assessment she used have strong validity?
No
Jake is doing a research study on the role of OT in concussion management. In conducting his study, he has collected a variety of data on his participants, including gender and diagnosis. Which level of measurement would this fall under?
Nominal
True or False:
The formula to find measurement error is true score +/- error component.
True