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Wiersma, William and Stephen G. Jurs, Educational Measurement and Testing. Boston: Allyn and Bacon, 1990.

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Article

The Effect Number of Replication and the Number of Option Scale toward the Reliability Coefficient of Maximal in the Rubric Assessment of Vocational Learning Outcome

1Universitas Negeri Jakarta, Jl. Rawamangun Muka, Rawamangun, Jakarta


American Journal of Educational Research. 2017, Vol. 5 No. 6, 645-649
DOI: 10.12691/education-5-6-9
Copyright © 2017 Science and Education Publishing

Cite this paper:
Wardani Rahayu, Zainal Abidin. The Effect Number of Replication and the Number of Option Scale toward the Reliability Coefficient of Maximal in the Rubric Assessment of Vocational Learning Outcome. American Journal of Educational Research. 2017; 5(6):645-649. doi: 10.12691/education-5-6-9.

Correspondence to: Wardani  Rahayu, Universitas Negeri Jakarta, Jl. Rawamangun Muka, Rawamangun, Jakarta. Email: wardani.rahayu@unj.ac.id

Abstract

This study aims to determine the effect of number of replication and the number of option scale toward the maximal reliability coefficient in the assessment instrument rubric. This research used experimental method. The population is all students of state vocational high school of food processing technology of Cianjur in the 2014/2015 academic year. This research used t-test analysis. The result of the research shows that maximal reliability coefficient is higher with more and more option scale on instrument of rubric. Number of data replication has an effect on maximal reliability coefficient. The maximal reliability coefficient gets higher with more and more data replication on instrument of.

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