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Med Teach. 2013 Oct;35(10):864-6. doi: 10.3109/0142159X.2013.809409. Epub 2013 Jul 18.

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.

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1
University of Groningen, University Medical Center Groningen , The Netherlands.

Abstract

BACKGROUND:

To optimize response rates, it is important to have brief, comprehensive instruments.

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).

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.

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.

CONCLUSIONS:

The mini-STERLinG was found to be a feasible, valid and reliable instrument.

PMID:
23862754
DOI:
10.3109/0142159X.2013.809409
[Indexed for MEDLINE]
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