This study provides an overview of components of teacher identity that are found in quantitative measurement instruments; and reports on the psychometric quality of these measurement instruments. Our search included studies that assessed components of teacher identity published in English-written, peer-reviewed articles between 2000 and 2018. We analyzed a total of 59 components in 20 studies. After we categorized the components on the basis of a substantive analysis, six main domains of teacher identity became apparent: Self-image, Motivation, Commitment, Self-efficacy, Task perception, and Job satisfaction. Whereas the overall psychometric properties of the measurement instruments used in the different studies were acceptable to good, our systematic overview revealed several conceptual and methodological issues that need to be resolved. The results may contribute to the further operationalization of the complex construct of teacher identity.

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h i g h l i g h t sUsing multilevel models, we examined the relationship between teachers' prejudice reduction practices and students' engagement. Prejudice reduction practices focused on engaging in dialogue about diversity and confronting intergroup bias. Teachers' explicit multicultural attitudes and implicit attitudes towards ethnic minorities were possible moderators. Prejudice reduction predicted increases in student engagement for teachers with above-average positive explicit attitudes. Our models did not support such an interaction effect for implicit ethnic attitudes.

This research aims to develop and validate an instrument for measuring primary student teachers' professional identity tensions. Based on dissonance theory, we transformed existing vignettes (Pillen, Den Brok, & Beijaard, 2013) into to a quantitative Professional Identity Tensions Scale (PITS) and added tensions regarding teaching in urban contexts. We examined the psychometric quality of the PITS by administering this scale to primary student teachers from teacher education institutions in urban areas across the Netherlands. Two studies were conducted in the process of validating the PITS. First, items were tested among a sample of 211 students to explore whether they measure underlying constructs of professional identity tensions. Second, retained items were administered to a new sample of 271 students. Confirmatory factor analysis demonstrated a similar factor structure. The final instrument includes 34 items rated on a 5-point Likert scale measuring nine different professional identity tensions. Implications for future research and practice are discussed.

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This study explored the dimensionality and measurement invariance of a multidimensional measure for evaluating teachers’ perceptions of the quality of their relationships with principals at the dyadic level. Participants were 630 teachers (85.9% female) from 220 primary and 204 secondary schools across the Netherlands. Teachers completed the 10-item Principal–Teacher Relationship Scale (PTRS) for their principals. Confirmatory factor analyses (CFA) provided evidence for a two-factor model, including a relational Closeness and Conflict dimension. Additionally, multigroup CFA results indicated strong invariance of the PTRS across school type, teacher gender, and teaching experience. Last, secondary school teachers and highly experienced teachers reported lower levels of Closeness and higher levels of Conflict in the relationship with their principal compared to primary school teachers and colleagues with less experience. Accordingly, the PTRS can be considered a valid and reliable measure that adds to the methodological repertoire of educational leadership research by focusing on both positive and negative aspects of dyadic principal–teacher relationships.

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