Gaguk , Margono (2011) Internal Consistency Reliability Of Instruments Measuring Students Satisfaction As An Internal Customer (Application Of Factor Analysis). PROCEEDINGS International Seminar and the Fourth National Conference on Mathematics Education. ISSN 978-979-16353-7-0
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Abstract
Reliability is consistency of the instrument in measurement whatever it measures. There are different methods available for estimating internal consistency reliability base on a single administration of a given assessment. Measures of internal consistency are a popular set of assessments with Cronbach’s alpha () being the most favored. Two other measures of internal consistency, such as theta (Θ) and omega (Ω). Each of three measures and its computation is described using instrument for measuring students’ satisfaction as internal customer. Students’ satisfaction is the level of a student’s felt state resulting from comparing a product’s perceived performance (outcome) in relations to the student’s expectation. The purpose of this study to answer which of the three measures a highest one? The research was survey research using simple random sampling methods. The instrument was based on the definition above and it was tried out to 103 Post Graduate students’ State University of Jakarta (Universitas Negeri Jakarta). Because alpha () is a lower bound reliability assessment so this research the following holds < Θ < Ω for this instrument. It can be concluded that the questionnaire measuring students’ satisfaction has appropriate internal consistency reliability. Further try out is still needed to standardize the instrument. Key words: internal consistency reliability , Θ, and Ω, students’ satisfaction as an internal customer
| Item Type: | Article |
|---|---|
| Subjects: | Prosiding > KNPM 2011 |
| Divisions: | Fakultas Matematika dan Ilmu Pengetahuan Alam (FMIPA) > Pendidikan Matematika > Pendidikan Matematika |
| Depositing User: | Jurusan Pendidikan Matematika |
| Date Deposited: | 02 Jul 2012 08:06 |
| Last Modified: | 02 Jul 2012 08:06 |
| URI: | http://eprints.uny.ac.id/id/eprint/1364 |
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