Validity of the Data Gathering Instrument
Validity refers to the ability of the test to measure what it intends to measure level of stress and sleep pattern practicum nursing student in 3 rd year of private University in Nakhonpathom to establish the face and content validity of the instrument, the researcher submitted it to nursing student in 3 rd year of private University in Nakhon Pathom who are considered as authorities in their respective fields. The questionnaire was reviewed by a psychology instructor.
The nursing student in 3 rd year made corrections and suggestions to improve the questionnaire. Likewise, the nursing student in 3 rd year used the Good and Scates Validation Form.