STEM Education International
Vol. 1 No. 2 (2025): STEM Education International

Development of a Four-Tier Diagnostic Instrument to Identify High School Students' Understanding of Salt Hydrolysis

Anne Nailul Aziz (Unknown)
Darsono Sigit (Unknown)

Article Info

Publish Date
23 Dec 2025

Abstract

This research aims to (1) produce a four-tier instrument in salt hydrolysis, (2) determine the validity and reliability of the instrument to facilitate students' understanding of salt hydrolysis. The development of the instrument followed the platform developed by Habiddin & Page (2019), which was adapted from the Treagust (1988), which consisted of six steps. The results of instrument validation were 81.74% with a very feasible category, yielding 23 valid questions, with a reliability of 0.7985. 

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Journal Info
STEM Education International
Website

Abbrev

stem

Publisher

PT Ahan Group Publisher

Subject

Education Environmental Science Mathematics

Description

STEM Education International is a peer-reviewed, interdisciplinary publication dedicated to improving STEM (science, technology, engineering, and mathematics) education worldwide. It is debuting as an innovative new publication in education. Its peer-reviewed status makes it a key contributor to ...