A 32 year old woman with stable generalized anxiety disorder completes the same validated anxiety inventory on Monday and again 1 week later before any treatment change. Investigators want to know whether the instrument yields similar scores over time when the underlying condition is unchanged. Which property are they assessing?
- A)Content validity
- B)Test retest reliabilityGABARITO
- C)Sensitivity
- D)Criterion validity
- E)Power
Explicação
Test retest reliability measures the stability of an instrument over time when the trait being measured has not changed. By administering the same inventory twice before treatment change, investigators assess reproducibility across occasions. A highly reliable... Ver explicação completa e trilha adaptativa →