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Sustainability competence is an important goal of Education for Sustainable Development (ESD) in school. It is therefore anchored in the education plans of almost all school tracks in Germany. However, empirical findings regarding ESD in schools are scarce. The present study thus examined how sustainability competencies of secondary-school students develop within the course of a school year. Based on a proposed framework model of sustainability competencies, we assessed (a) students’ sustainability-related knowledge, (b) their affective-motivational beliefs and attitudes towards sustainability, as well as (c) their self-reported sustainability-related behavioral intentions. Our sample comprised n = 1318 students in 79 classrooms at different secondary school tracks (Grades 5–8) in Baden-Wuerttemberg (Germany). Measurements were taken at the beginning and at the end of the school year after the introduction of ESD as a guiding perspective for the new education plan. We observed an increase in students’ sustainability-related knowledge but a decline in their affective-motivational beliefs and attitudes towards sustainability over the course of one school year. Multilevel analyses showed that, at the individual level, prior learning requirements as well as ESD-related characteristics (students’ activities and general knowledge of sustainability) proved to be the strongest predictors of their development. In addition, grade- and track-specific differences were observed. At the classroom level, teachers’ attitudes towards ESD as well as their professional knowledge were found to be significant predictors of students’ development. The higher the commonly shared value of ESD at school and the higher teachers’ self-efficacy towards ESD, the higher was the students’ development of sustainability-related knowledge and self-reported sustainability-related behavioral intentions, respectively. The significance of the findings for ESD in schools is discussed.
If information on single items in the Short Form–12 health survey (SF-12) is missing, the analysis of only complete cases causes a loss of statistical power and, in case of nonrandom missing data (MD), systematic bias. This study aimed at evaluating the concordance of real patient data and data estimated by different MD imputation procedures in the items of the SF-12 assessment. For this ends, MD were examined in a sample of 1,137 orthopedic patients. Additionally, MD were simulated (a) in the subsample of orthopedic patients exhibiting no MD (n = 810; 71%) as well as (b) in a sample of 6,970 respondents representing the German general population (95.8% participants with complete data) using logistic regression modelling. Simulated MD were replaced by mean values as well as regression-, expectation-maximization- (EM-), and multiple imputation estimates. Higher age and lower education were associated with enhanced probabilities of MD. In terms of accuracy in both data sets, the EM-procedure (ICC2,1 = .33-.72) outperformed alternative estimation approaches substantially (e.g., regression imputation: ICC2,1 = .18-.48). The EM-algorithm can be recommended to estimate MD in the items of the SF-12, because it reproduces the actual patient data most accurately.
Systems thinking provides many advantages in solving complex scientific, economic and sociocultural problems in the field of education for sustainable development. Various studies have shown that systems thinking can be promoted in students at all levels of school education. Previous studies have mainly focused on how to directly develop and support systems thinking in students. The present study focused on biology teachers by investigating the extent that their content knowledge (CK) and pedagogical content knowledge (PCK) augments systems thinking in students attending biology classes. On the basis of the finding that content knowledge (CK) and pedagogical content knowledge (PCK) are an essential aspect of any type of training, we investigated in a teacher training program the effects of varying amounts of CK and PCK to the ability of biology teachers to foster systems thinking in students. Therefore, a quasi-experimental intervention study was implemented in a pre- and posttest control group design. The results revealed that biology teacher training can sufficiently improve systems thinking in biology students and that PCK plays an at least equally important role as CK in promoting systems thinking.
Abstract
The following paper presents the structure of a language teaching inspection of the topic of capitalization applied within sentences in the secondary education level, which comprises both a quantitative and a qualitative research part. The emphasis of this paper, in respect to its content, does not lie in the discussion of each and every result, but concentrates on the question of how the quantitative and qualitative results can be correlated to each other, and on what types of complementary information can be deducted from it from a language teaching point of view.
Professional knowledge is highlighted as an important prerequisite of both medical doctors and teachers. Based on recent conceptions of professional knowledge in these fields, knowledge can be differentiated within several aspects. However, these knowledge aspects are currently conceptualized differently across different domains and projects. Thus, this paper describes recent frameworks for professional knowledge in medical and educational sciences, which are then integrated into an interdisciplinary two-dimensional model of professional knowledge that can help to align terminology in both domains and compare research results. The models’ two dimensions differentiate between cognitive types of knowledge and content-related knowledge facets and introduces a terminology for all emerging knowledge aspects. The models’ applicability for medical and educational sciences is demonstrated in the context of diagnosis by describing prototypical diagnostic settings for medical doctors as well as for teachers, which illustrate how the framework can be applied and operationalized in these areas. Subsequently, the role of the different knowledge aspects for acting and the possibility of transfer between different content areas are discussed. In conclusion, a possible extension of the model along a “third dimension” that focuses on the effects of growing expertise on professional knowledge over time is proposed and issues for further research are outlined.