I am constructing a tool which has 7 domains in it. can I use cronbach alpha as a reliability measure. what are the steps to measure reliability using Cronbach alpha of a scale with 7 domains consisting of 3 items under each domain.
or if I do test retest what is the method in spss
1. Yes.
2. There are several measures. Indeed, reliability measures are: Cronbach’s alpha reliability, split-half reliability and Cronbach’s alpha if item deleted. They are essential and very important measures to assess the survey design.
3. For more details, please refer to:
i. Quantitative and qualitative indicators to assess the performance of higher education institutions. Int. J. of Information and Decision sciences, 2014, Vol.6, No. 4, pp.369-392 (Inderscience).
ii. Statistical characteristics of performance indicators. Int. J. of Quality and Innovation. Vol.2, No.3-4, pp. 385-309 (Inderscience).
Regards,
Zuhair
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