An instrument is developed with the intent to measure whether the parenting skills of parents referred for child abuse or neglect improve after participation in a parenting education treatment program. The instrument is found to be valid when untreated parents referred for child abuse or neglect score much worse on it than model parents who are child therapists. Which of the following statements is/are true about the instrument?
A) It appears to have known-groups validity.
B) Because it is valid, it can be relied upon to detect whether small, subtle improvements occur in the parenting skills of the parents who participate in the program.
C) It appears to have predictive validity.
D) It is sensitive to small differences.
E) None of the above is true.

Question

An instrument is developed with the intent to measure whether the parenting skills of parents referred for child abuse or neglect improve after participation in a parenting education treatment program. The instrument is found to be valid when untreated parents referred for child abuse or neglect score much worse on it than model parents who are child therapists. Which of the following statements is/are true about the instrument?​
A) ​It appears to have known-groups validity.
B) ​Because it is valid, it can be relied upon to detect whether small, subtle improvements occur in the parenting skills of the parents who participate in the program.
C) ​It appears to have predictive validity.
D) ​It is sensitive to small differences.
E) ​None of the above is true.

Quizplus · Accepted Answer

The instrument demonstrates known-groups validity because it can distinguish between groups that are expected to differ (untreated parents referred for child abuse or neglect and model parents who are child therapists), indicating it measures what it is supposed to measure.

An Instrument Is Developed with the Intent to Measure Whether