Rarely, proton pump inhibitors (such as omeprazole) have caused vitamin B-12 deficiency. The risk is increased if they are taken every day for a long time (3 years or longer). Tell your doctor right away if you develop symptoms of vitamin B-12 deficiency (such as unusual weakness, sore tongue, or numbness/tingling of the hands/feet).
Stability reliability refers to the consistency of students' scores when a test is administered to the same students on two different occasions. Alternate-form reliability describes the consistency of students' performances on two different (hopefully equivalent) versions of the same test.
Overall score Based mainly on the accuracy and consistency of the scale's readout. The displayed score is out of a total of 100 points. Accuracy Indicates a scale's ability to display a known weight without error. Consistency Indicates that the scale was able to give a repeatable result for a known weight.