Measurement Validity Types Idea of Construct Validity Convergent & Discriminant Validity Threats to Construct Validity The Nomological Network The Multitrait-Multimethod Matrix Pattern Matching for Construct Validity Construct validity refers to the degree to which inferences can legitimately be made from the operationalizations in your study to the theoretical constructs on which those operati...

The objective of this study was to determine the inter-observers level of agreement in interpreting cervical vertebral maturation (CVM) stages. This cross-sectional study was carried out at the Department of Orthodontics, Khyber College of Dentistry. The patient’s lateral cephalograms present in the Department were used. Sixty randomly selected cephalograms were digitized by using Nikon camera ...

background: in any research work the used tools to approach the designed project goals, should be evaluated. the purpose of the present study was to obtain validity and reliability of nutritional knowledge, illness perception and dietary adherence questionnaire. methods: the questionnaire of student ratings of teaching was evaluated in a descriptive study. in this study the views of 11 expert f...

The assessment of listening abilities is one of the least understood, least developed and, yet, one of the most important areas of language testing and assessment. It is particularly important because of its potential wash-back effects on classroom practices. Given the fact that listening tests play a great role in assessing the language proficiency of students, they are expected to enjoy a hig...

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BACKGROUND Patient experiences are an important aspect of health care quality, but there is a lack of validated instruments for their measurement in the substance dependence literature. A new questionnaire to measure inpatients' experiences of interdisciplinary treatment for substance dependence has been developed in Norway. The aim of this study was to psychometrically test the new questionnai...