Adaptation of scale “Working Like Scientists” (WLS) A Turkish-language version: validation and reliability

Year 2016, Volume: 3 Issue: 1, 54 - 65, 01.04.2016

Güntay Taşçı , Maike Looss Halil Yurdugül Dagmar Hilfert Ruppell Ali Sülün Dagmar Hinrichs Sedat Aydoğdu Konstantin Klingenberg Fehime Şeyma Taş

https://doi.org/10.17275/per.16.03.3.1

Abstract

The
aim of this study was to validate an instrument implemented by Höner et al.
(2010) called “Working Like Scientists”, which was designed according to German
culture. The translation of the items from German to Turkish and back to German
again was performed by Turkish and German working groups in an iterative
process, eliminating incomprehensibilities and misfits of specific words. In a
first step, the Turkish and German questionnaires were completed in a week by a
total of 44 Turkish prospective teachers. So in this way, the data of
statistical evidence of equivalence in both languages were collected (r=0. 74;
p=0. 00). To establish the factorial construct for the Turkish instrument, the
data set obtained from 304 Turkish prospective teachers was analysed by the CFA
using a Lisrel 8.8 program. To prove the evidence of discriminant and
convergent validity of the established model of the study, AVE (average
variance extracted) values and the square roots of AVE value were calculated.
In addition, the scale’s prediction status of epistemological beliefs as a
higher construct was examined by the secondary-level CFA. Furthermore, the
evidence for the scale’s reliability was examined by total item correlations
(> .30); internal consistency (Cronbach’s Alpha: between 0.694 and 0.805),
and construct reliability (McDonald´s Omega: between 0.694 and 0.806), and
later the suitable values for both sub-dimensions and the whole scale.

Keywords

scientific epistemological beliefs, prospective teacher, scale adaptation

Supporting Institution

This study was supported by Erzincan University department of coordination of research projects. The research was presented as oral presentation at the third International Instructional Tecnologies and Teacher Education Symposium in Turkey.

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