The purpose of this study was to establish the psychometric properties of the Attitudes Toward Research scale (ATR), including the validity of the scale through confirmatory factor analysis. After slightly altering the scale by deleting 19 items, and by narrowing down the subscales to four, the fit of the model was established. The revised version…

The Spence Children's Anxiety Scale (SCAS) is a 38-item self-report questionnaire which measures symptoms of DSM-IV anxiety disorders in children and adolescents. This study examined the psychometric properties of the Greek translation of SCAS in a large community sample of children and adolescents (N = 1,072), aged 12-17 years, in the…

Background: Bullying is a problem in schools in many countries. There would be a benefit in the availability of a psychometrically sound instrument for its measurement, for use by teachers and researchers. The Olweus Bully/Victim Questionnaire has been used in a number of studies but comprehensive evidence on its validity is not available. Aims:…

The study reported in this paper is an attempt to develop a comprehensive model of measuring problem solving and posing (PSP) skills based on Marshall's schema theory (ST). A battery of tests on PSP skills was administered to 5th and 6th grade Cypriot students (n=2519). The Rasch model was used and a scale was created for the battery of tests and…