03 Apr Assessing the reliability of a scale focuses on measuring its stability (Kline, 2005). Stability can mean different things in a measure: test-retest looks at
Assessing the reliability of a scale focuses on measuring its stability (Kline, 2005). Stability can mean different things in a measure: test-retest looks at stability of scores over time, internal consistency hones in on the stability of item scores across the test, and interrater...