PEAK Pre-Assessments: Preliminary Evidence Establishing Internal Consistency and Construct Validity

External, Internal and Construct Validity

Introduction In research, validity refers to the degree to which findings are applicable in real-life situations. Essentially, if the findings are strongly valid, it implies that they have an excellent degree of applicability. In contrast, low validity implies that the survey is not applicable in real-life situations. The specific approach used during research has strong influence on validity. ...

Psychosocial Assessments for HIV+ African Adolescents: Establishing Construct Validity and Exploring Under-Appreciated Correlates of Adherence

STUDY OBJECTIVES Psychosocial factors such as outcome expectancy, perceived stigma, socio-emotional support, consideration of future consequences, and psychological reactance likely influence adolescent adherence to antiretroviral treatments. Culturally-adapted and validated tools for measuring these factors in African adolescents are lacking. We aimed to identify culturally-specific factors of...

The assessment of preschool children's participation: internal consistency and construct validity.

Participation in activities provides the means for young children to learn, play, develop skills, and develop a sense of personal identity. The Assessment of Preschool Children's Participation (APCP) is a newly developed measure to capture the participation of children aged 2 to 5 years and 11 months in the areas of play, skill development, active physical recreation, and social activities. Dat...

Response set bias, internal consistency and construct validity of the Oswestry Low Back Pain Disability Questionnaire

The Karen instruments for measuring quality of nursing care: construct validity and internal consistency.

BACKGROUND Valid and reliable instruments for measuring the quality of care are needed for evaluation and improvement of nursing care. Previously developed and evaluated instruments, the Karen-patient and the Karen-personnel based on Donabedian's Structure-Process-Outcome triad (S-P-O triad) had promising content validity, discriminative power and internal consistency. OBJECTIVE The objective...