education research. Information regarding the reliability and validity of item scores is useful to readers, journal editors and … with the reliability of scores produced by such instruments have led to difficulties in interpreting the results of applied …, construct validation is discussed in respect of measurement validity and factor analytic methods. The paper concludes with …

both methods in the field. In doing so, we use the criterion of theoretical validity and measure the degree to which WTP … values are consistent with theoretical expectations. In addition, we analyse the test-retest reliability and stability of our …

collected from 655 university students. In order to establish the validity and reliability, factor analysis, interval … consistency coefficient, item-total correlation coefficient and concurrent validity analyses were used. Factor analysis showed …

response scales. In terms of psychometric properties it is recommended to investigate reliability and validity of the …

analysis to check the convergent and discriminant validity of the scales. The analyses will be done with the SPSS and EQS …

Discrete-choice experiments, while becoming increasingly popular, have rarely been tested for validity and reliability … differ between experiments, they tend to vary in similar ways, suggesting at least theoretical validity and reliability. …

improve its reliability and to test its validity. … cognitive. This paper reports on the subscales identified and the reliability of the questionnaires that were developed and …

model is supported by the sample of users of community portals in terms of its reliability and validity. The paper indicates …