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Garmy, Pernilla; Jakobsson, Ulf; Nyberg, Per – Journal of School Nursing, 2012
The aim was to develop a new instrument for measuring length of sleep as well as television and computer habits in school-age children. A questionnaire was constructed for use when children visit the school health care unit. Three aspects of the validity of the questionnaire were examined: its face validity, content validity, and construct…
Descriptors: Content Validity, Construct Validity, Questionnaires, Psychometrics