Peer discussions play a major role in students’ collaborative problem-solving activity. These discussions provide researchers and teachers with a wealth of information about the students' reasoning. To analyse such discussions, different theoretical lenses are available, such as Schoenfeld’s problem solving model, the Florida Taxonomy of Cognitive Behaviour, and the Scheme for Educational Dialogue Analysis. The question is, however, how these three perspectives can complement each other. To investigate this, the discussion between four students was analysed through the three lenses. Results indicate that these frameworks are both complementary and connected. This connection allows an in-depth analysis of the discussion and reveals possibilities and limitations for an integration of the three models, which will guide future discussions’ analyses in our study.
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AIM: To explore concurrent validity, convergent validity, interrater reliability, test-retest reliability, and Rasch model analysis of the School Participation Questionnaire (SPQ), a tool for teachers to assess personal and environmental determinants of school participation.METHOD: Teachers of children with additional support needs, including intellectual disability, autism, and learning difficulties completed measures. Data were collected using the SPQ and the Participation and Environment Measure for Children and Youth (PEM-CY). Test-retest and interrater reliability were assessed using intraclass correlation coefficients (ICCs). Internal consistency was assessed with Cronbach's alpha. Concurrent and convergent validity were explored via correlations with the PEM-CY. Further psychometrics were examined using a Rasch model.RESULTS: One hundred and eighty-seven children (136 [72.7%] male; mean age 9y [range 5y 6mo-12y 10mo, SD 2y]) were assessed by 67 teachers. Cronbach's alpha, test-retest, and interrater reliability were acceptable-excellent across each SPQ scale (alphas=0.89, 0.9, 0.94, 0.79; test-retest ICCs=0.64, 0.61, 0.78, 0.62; interrater ICCs=0.85, 0.71, 0.90, 0.81). Concurrent and convergent validity were confirmed with significant positive correlations between SPQ and PEM-CY. After Mokken and Rasch model analysis, person and item reliability were good, and unidimensionality was confirmed. Mean administration time was 8.2 minutes.INTERPRETATION: The results suggest that the SPQ is a rapid, reliable, and valid tool for assessment of participation-related indicators in schools.
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This paper proposes an amendment of the classification of safety events based on their controllability and contemplates the potential of an event to escalate into higher severity classes. It considers (1) whether the end-user had the opportunity to intervene into the course of an event, (2) the level of end-user familiarity with the situation, and (3) the positive or negative effects of end-user intervention against expected outcomes. To examine its potential, we applied the refined classification to 296 aviation safety investigation reports. The results suggested that pilots controlled only three-quarters of the occurrences, more than three-thirds of the controlled cases regarded fairly unfamiliar situations, and the flight crews succeeded to mitigate the possible negative consequences of events in about 71% of the cases. Further statistical tests showed that the controllability-related characteristics of events had not significantly changed over time, and they varied across regions, aircraft, operational and event characteristics, as well as when fatigue had contributed to the occurrences. Overall, the findings demonstrated the value of using the controllability classification before considering the actual outcomes of events as means to support the identification of system resilience and successes. The classification can also be embedded in voluntary reporting systems to allow end-users to express the degree of each of the controllability characteristics so that management can monitor them over time and perform internal and external benchmarking. The mandatory reports concerned, the classification could function as a decision-making parameter for prioritising incident investigations.
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