DEVELOPING A SCALE FOR PERCEPTIONS OF COMPETENCY IN BIOLOGY TEACHING

Guntay Tasci

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DEVELOPING A SCALE FOR PERCEPTIONS OF COMPETENCY IN BIOLOGY TEACHING

Title	DEVELOPING A SCALE FOR PERCEPTIONS OF COMPETENCY IN BIOLOGY TEACHING
Publication Type	Journal Article
Year of Publication	2015
Authors	Tasci, G
Journal	Journal of Baltic Science Education
Volume	14
Issue	6
Start Page	764–778
Pagination	Continuous
Date Published	December/2015
Type of Article	Original article
ISSN	1648-3898
Other Numbers	ICID: 1192271
Keywords	biology teachers’ competency, biology teaching, scale development
Abstract	The purpose of this study was to develop a measurement instrument to determine pre-service teachers’ perceptions of competency in biology teaching. A total of 835 pre-service teachers participated in this study. The data set obtained at the first stage was analyzed using exploratory factor analysis and the data set obtained at the second stage was analyzed using first-order confirmatory factor analysis and then second-order confirmatory factor analysis. After those analyses, the convergent and discriminant validities of the scale with the determined factorial structures [χ2 (29, N=608) = 101 p<.000, χ2/df = 3.48, RMSEA=0.062, GFI=0.97, CFI=0.99, NNFI=0.98, NFI=0.98] were evaluated and Cronbach’s alpha, stratified alpha, and McDonald’s omega coefficients were estimated for internal consistency. Thus, a scale consisting of four sub-scales with 67 items in total was developed. The total score for the scale can be calculated by adding the scores of the sub-scales.
URL	http://oaji.net/articles/2016/987-1479544138.pdf
DOI	10.33225/jbse/15.14.764
Refereed Designation	Refereed
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