1a response scale, commonly used in questionnaires, that provides several options on a continuum, such as "strongly disagree" to "strongly agree"
Likert Scale
2the difference between a true score and an individual's actual score
measurement error
3measurement error that is due to some inaccuracy inherent in the assessment itself or the way it was administered or scored
method error
4the amount of change on a particular measure that is deemed clinically important to the client
minimally clinically important difference (MCID)
5a meausre in which an individual's score is compared against the score of other individuals
norm-referenced
6the process of supporting construct validity by finding that a test can predict an expected outcome
predictive validity
7a diagnostic test in which an abnormalitiy is induced through a manipulation that provokes the conditions
provocative test
8quantifiable characterisitcs of a test that speak to an instrument's consistency and accuracy; include reliability, validity, and responsiveness
psychometric properties
9the consistency and accuracy of a measure
reliability
10a measure that can detect change, typically before and after an intervention
responsive measure
11the accurate identification of individuals who possess the condition of interest
sensitivity
12the correct identification of individuals who do not have a condition
specificity
13a test that has established methods of administration and scoring
standardized test
14when the difference between two ore more groups is not likely due to chance
statistically significant difference
15consistency in scores across two or more test administrations
test-retest reliability
16measurement error that is due to some characteristic of the individual taking the test
trait error
17in the case of a measure, the ability to measure to assess what it is intended to measure. In the case of a study, when the conclusions drawn are based on accurate interpretations of the study findings and not confounded by alternative explanations
validity