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Ghanaian Teacher Trainees' Conceptual Understanding of Stoichiometry

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Title: Ghanaian Teacher Trainees' Conceptual Understanding of Stoichiometry
Language: English
Authors: Hanson, Ruby
Source: Online Submission. 2016 3(1):1-8.
Peer Reviewed: N
Page Count: 8
Publication Date: 2015
Document Type: Journal Articles
Reports - Research
Education Level: Higher Education
Postsecondary Education
Descriptors: Foreign Countries, Preservice Teachers, Trainees, Science Process Skills, Chemistry, Scientific Concepts, Science Education, Word Problems (Mathematics), Equations (Mathematics), Computation, Undergraduate Students, Science Tests, Data Analysis, Comprehension, Difficulty Level
Geographic Terms: Ghana
ISSN: 2410-9991
Abstract: Chemical stoichiometry is a conceptual framework that encompasses other concepts such as the mole, writing of chemical equations in word and representative form, balancing of equations and the equilibrium concept. The underlying concepts enable students to understand relationships among entities of matter and required amounts for use when necessary. Success in this area of chemistry depends mainly on a student's understanding of the concepts of the mole. An interpretive study on trainees' conceptual understanding of chemical stoichiometry was carried out among 78 teacher trainees in their second year of study. The study comprised a combination of quantitative and qualitative interpretation of responses provided by trainees to stoichiometric questions. The interpretation indicated that their learning of stoichiometry was basically through the use of picket fence (factor label), undefined strategies and algorithm. The trainees were found to have more persistent problems with conceptual interpretation as they were not able to fully translate word problems into mathematical equations regardless their algorithmic underpinnings. Neither did they understand fully, the law of conservation of matter. Qualitative findings were found to be consistent with quantitative outputs. Questions and student responses are appended.
Abstractor: As Provided
Number of References: 25
Entry Date: 2015
Accession Number: ED560677
Database: ERIC
FullText Text:
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  Data: Ghanaian Teacher Trainees' Conceptual Understanding of Stoichiometry
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  Data: <searchLink fieldCode="SO" term="%22Online+Submission%22"><i>Online Submission</i></searchLink>. 2016 3(1):1-8.
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  Data: 8
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  Label: Descriptors
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  Data: <searchLink fieldCode="DE" term="%22Foreign+Countries%22">Foreign Countries</searchLink><br /><searchLink fieldCode="DE" term="%22Preservice+Teachers%22">Preservice Teachers</searchLink><br /><searchLink fieldCode="DE" term="%22Trainees%22">Trainees</searchLink><br /><searchLink fieldCode="DE" term="%22Science+Process+Skills%22">Science Process Skills</searchLink><br /><searchLink fieldCode="DE" term="%22Chemistry%22">Chemistry</searchLink><br /><searchLink fieldCode="DE" term="%22Scientific+Concepts%22">Scientific Concepts</searchLink><br /><searchLink fieldCode="DE" term="%22Science+Education%22">Science Education</searchLink><br /><searchLink fieldCode="DE" term="%22Word+Problems+%28Mathematics%29%22">Word Problems (Mathematics)</searchLink><br /><searchLink fieldCode="DE" term="%22Equations+%28Mathematics%29%22">Equations (Mathematics)</searchLink><br /><searchLink fieldCode="DE" term="%22Computation%22">Computation</searchLink><br /><searchLink fieldCode="DE" term="%22Undergraduate+Students%22">Undergraduate Students</searchLink><br /><searchLink fieldCode="DE" term="%22Science+Tests%22">Science Tests</searchLink><br /><searchLink fieldCode="DE" term="%22Data+Analysis%22">Data Analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Comprehension%22">Comprehension</searchLink><br /><searchLink fieldCode="DE" term="%22Difficulty+Level%22">Difficulty Level</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22Ghana%22">Ghana</searchLink>
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  Data: Chemical stoichiometry is a conceptual framework that encompasses other concepts such as the mole, writing of chemical equations in word and representative form, balancing of equations and the equilibrium concept. The underlying concepts enable students to understand relationships among entities of matter and required amounts for use when necessary. Success in this area of chemistry depends mainly on a student's understanding of the concepts of the mole. An interpretive study on trainees' conceptual understanding of chemical stoichiometry was carried out among 78 teacher trainees in their second year of study. The study comprised a combination of quantitative and qualitative interpretation of responses provided by trainees to stoichiometric questions. The interpretation indicated that their learning of stoichiometry was basically through the use of picket fence (factor label), undefined strategies and algorithm. The trainees were found to have more persistent problems with conceptual interpretation as they were not able to fully translate word problems into mathematical equations regardless their algorithmic underpinnings. Neither did they understand fully, the law of conservation of matter. Qualitative findings were found to be consistent with quantitative outputs. Questions and student responses are appended.
– Name: AbstractInfo
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  Data: As Provided
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  Data: 25
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  Data: 2015
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  Data: ED560677
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RecordInfo BibRecord:
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    Languages:
      – Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 8
        StartPage: 1
    Subjects:
      – SubjectFull: Foreign Countries
        Type: general
      – SubjectFull: Preservice Teachers
        Type: general
      – SubjectFull: Trainees
        Type: general
      – SubjectFull: Science Process Skills
        Type: general
      – SubjectFull: Chemistry
        Type: general
      – SubjectFull: Scientific Concepts
        Type: general
      – SubjectFull: Science Education
        Type: general
      – SubjectFull: Word Problems (Mathematics)
        Type: general
      – SubjectFull: Equations (Mathematics)
        Type: general
      – SubjectFull: Computation
        Type: general
      – SubjectFull: Undergraduate Students
        Type: general
      – SubjectFull: Science Tests
        Type: general
      – SubjectFull: Data Analysis
        Type: general
      – SubjectFull: Comprehension
        Type: general
      – SubjectFull: Difficulty Level
        Type: general
      – SubjectFull: Ghana
        Type: general
    Titles:
      – TitleFull: Ghanaian Teacher Trainees' Conceptual Understanding of Stoichiometry
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