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The development and validation of a short form of the STERLinG:A practical, valid and reliable tool to evaluate teacher competencies to encourage reflective learning

By Johanna Schonrock-Adema, Mirabelle A. Schaub-De Jong and Janke Cohen-Schotanus

Abstract

<p>Background: To optimize response rates, it is important to have brief, comprehensive instruments.</p><p>Aims: We have developed and validated a short form of an instrument for measuring students' perceptions of teachers' competencies to encourage students' reflective learning in small groups (the STERLinG).</p><p>Methods: Based on statistical and content criteria, the original 36-item STERLinG was reduced to 15 items: three scales with five items each. This mini-STERLinG was validated. Confirmatory factor analysis was performed and internal consistencies were calculated.</p><p>Results: The instrument was completed by 501 respondents (63%). The original instrument structure was confirmed with 62.6% explained variance. Reliabilities were high with 0.91 for the entire mini-STERLinG and 0.87, 0.85 and 0.81 for its subscales.</p><p>Conclusions: The mini-STERLinG was found to be a feasible, valid and reliable instrument.</p>

Year: 2013
DOI identifier: 10.3109/0142159X.2013.809409
OAI identifier: oai:pure.rug.nl:publications/5ac1b8b3-5e1f-4101-a10c-0dcc4c6cd4fe
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