Psychometrics_Flashcards
What is psychometrics?
The science of measuring psychological characteristics, abilities, and behaviors.
Why are psychometric considerations important?
They are essential when developing, selecting, and interpreting psychological tests.
What are the three types of reliability?
- Test-retest reliability (consistency across administrations) 2. Inter-rater reliability (agreement between raters) 3. Internal consistency reliability (homogeneity of test items).
What is content validity?
The extent to which a test measures the intended construct.
What is criterion validity?
The ability of a test to predict relevant outcomes.
What is norming in psychometrics?
The process of establishing a normative sample (representative population for comparison) and standardization (consistent administration and scoring).
What is sensitivity in psychometrics?
The ability of a test to correctly identify true positives.
What is specificity in psychometrics?
The ability of a test to correctly identify true negatives.
What is cultural bias in psychometrics?
When a test unfairly disadvantages certain cultural groups.
What is item bias?
When specific test items are biased against certain groups.
What is population generalizability?
The extent to which test results apply to the target population.
What is ecological generalizability?
The extent to which test results apply to real-world settings.
What is objectivity in psychometrics?
The consistency in scoring and interpretation, distinguishing between subjective and objective measures.
What is measurement error?
Random or systematic errors that affect test precision.
