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.
They all check that the results and constructs measured by a test are correct, and the exact. type used is dictated by subject, size of the data set [4] and resources. Split-Halves Test. The split halves test for internal consistency reliability is the easiest type, and involves dividing. a test into two halves.