Facilitating high school students' use of multiple representations to describe and explain simple chemical reactions

This study involved the evaluation of the efficacy of a planned instructional program to facilitate understanding of the macroscopic, submicroscopic and symbolic representational systems when describing and explaining chemical reactions by sixty-five Grade 9 students in a Singapore secondary school....

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Published in:Teaching science (Deakin West, A.C.T.) Vol. 57; no. 4; pp. 13 - 20
Main Authors: Chandrasegaran, A. L, Treagust, David F, Mocerino, Mauro
Format: Journal Article
Language:English
Published: Deakin Australian Science Teachers Association 01.12.2011
Subjects:
Chemical reactions
Chemistry
Comparative Analysis
Concept Mapping
Control Groups
Diagnostic Tests
Evaluation
Foreign Countries
Grade 9
High School Students
Methods
Outcomes of Treatment
Science Education
Science Instruction
Science teaching
Sciences education
Scientific Concepts
Secondary education
Secondary school science
Secondary School Students
Singapore
Student improvement
Study and teaching
Teaching effectiveness
Teaching methods
Year 9
Singapore
ISSN:1449-6313, 1839-2946
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Abstract This study involved the evaluation of the efficacy of a planned instructional program to facilitate understanding of the macroscopic, submicroscopic and symbolic representational systems when describing and explaining chemical reactions by sixty-five Grade 9 students in a Singapore secondary school. A two-tier multiple-choice diagnostic instrument consisting of fifteen items was administered after nine months of instruction. Analysis of the students' performance on the diagnostic test showed improved understanding of the use of multiple representations compared to that of seventy-six students of similar achieving ability in the prescribed program of instruction. [Author abstract]
AbstractList This study involved the evaluation of the efficacy of a planned instructional program to facilitate understanding of the macroscopic, submicroscopic and symbolic representational systems when describing and explaining chemical reactions by sixty-five Grade 9 students in a Singapore secondary school. A two-tier multiple-choice diagnostic instrument consisting of fifteen items was administered after nine months of instruction. Analysis of the students' performance on the diagnostic test, showed improved understanding of the use of multiple representations compared to that of seventy-six students of similar achieving ability in the prescribed program of instruction. (Contains 1 table and 3 figures.)
This study involved the evaluation of the efficacy of a planned instructional program to facilitate understanding of the macroscopic, submicroscopic and symbolic representational systems when describing and explaining chemical reactions by sixty-five Grade 9 students in a Singapore secondary school. A two-tier multiple-choice diagnostic instrument consisting of fifteen items was administered after nine months of instruction. Analysis of the students' performance on the diagnostic test showed improved understanding of the use of multiple representations compared to that of seventy-six students of similar achieving ability in the prescribed program of instruction. [Author abstract]
Audience High Schools
Grade 9
Secondary Education
Academic
Author David F. Treagust
A. L. Chandrasegaran
Mauro Mocerino
AuthorAffiliation Curtin University of Technology. Dept of Chemistry
Curtin University of Technology. Science and Mathematics Education Centre
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Copyright Australian Science Teachers Association Dec 2011
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Notes Refereed article. Includes bibliographical references.
Teaching Science; v.57 n.4 p.13-20; December 2011
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SubjectTerms Chemical reactions
Chemistry
Comparative Analysis
Concept Mapping
Control Groups
Diagnostic Tests
Evaluation
Foreign Countries
Grade 9
High School Students
Methods
Outcomes of Treatment
Science Education
Science Instruction
Science teaching
Sciences education
Scientific Concepts
Secondary education
Secondary school science
Secondary School Students
Singapore
Student improvement
Study and teaching
Teaching effectiveness
Teaching methods
Year 9
Title Facilitating high school students' use of multiple representations to describe and explain simple chemical reactions
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