You are a 20-year-old college student, and you step on your bathroom scale today and it indicates that you weigh 25 pounds. If you step on the same scale tomorrow and it indicates that you still weigh 25 pounds, then your scale is _ but probably not _.

Reliability and validity are concepts in measurement. Reliability has to do with the degree to which an instrument can produce consistent results when it is used repeatedly over time. Validity, on the other hand, indicates the extent to which the instrument measures its intended measurement. The scale can be reliable but not value as it still produces results, though inaccurate.

You are a 20-year-old college student, and you step on your bathroom scale today and it indicates that you weigh 25 pounds. If you step on the same scale tomorrow and it indicates that you still weigh 25 pounds, then your scale is _____ but probably not _____.

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You are a 20-year-old college student, and you step on your bathroom scale today and it indicates that you weigh 25 pounds. If you step on the same scale tomorrow and it indicates that you still weigh 25 pounds, then your scale is _ but probably not _.