The validity and inter-rater reliability of project assessment in mathematics learning

Kusaeri, Kusaeri and Sutini, Sutini and Suparto, Suparto and Wardah, Faiqotul (2019) The validity and inter-rater reliability of project assessment in mathematics learning. Beta: Jurnal Tadris Matematika, 12 (1). pp. 1-13. ISSN 2085-5893; 2541-0458

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Abstract

A common criticism of project assessment is the subjectivity and inconsistency of raters in scoring. In the present article, we provide the result of validity and inter-rater reliability test of the project assessment instrument. The instrument with a rubric was used to assess students’ project task in grade eight for function and relation topic. The task was adopted from mathematics textbooks used in the schools. The instrument has been tested to 10 raters/teachers and 94 grade eight students from three schools (in Surabaya and Gresik). Data were collected through the project assessment sheet along with its rubric as the scoring guidance for the teachers. Construct validity was analyzed through confirmatory factor analysis, while a reliability test was conducted by using inter-rater reliability method with the Intraclass Correlation Coefficient. The result of the validity test showed that the instrument did not fulfill the criteria of construct validity. It is indicated by the different number of factors between the initial construction and the empirical test result. In term of inter-rater reliability, the instrument is highly reliable. The findings indicate the need for testing the non-test assessment instrument provided on mathematics textbooks, so the aspects of its assessment sheet fulfill the valid and reliable criteria.

Item Type: Article
Creators:
Creators
Email
NIDN
Kusaeri, Kusaeri
kusaeri@uinsby.ac.id
2006077202
Sutini, Sutini
sutinimiskun@uinsby.ac.id
2003017703
Suparto, Suparto
parto2469@gmail.com
2002046903
Wardah, Faiqotul
-
-
Uncontrolled Keywords: Validity: Reliability: Inter-rater: Project assessment: Project task
Subjects: 01 MATHEMATICAL SCIENCES > 0101 Pure Mathematics > 010109 Ordinary Differential Equations, Difference Equations and Dynamical Systems
01 MATHEMATICAL SCIENCES > 0105 Mathematical Physics > 010506 Statistical Mechanics, Physical Combinatorics and Mathematical Aspects of Condensed Matter
Divisions: Karya Ilmiah > Artikel
Depositing User: Samidah Nurmayuni
Date Deposited: 23 Jul 2021 13:49
Last Modified: 23 Jul 2021 13:49
URI: http://repository.uinsby.ac.id/id/eprint/463

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