Journal of Education and Practice
Difficulties faced by Nigerian Senior School Chemistry Students in solving Stoichiometric Problems
Abstract
The paper investigated the difficulties faced by senior school students’ (age 16 – 18) in solving stoichiometric problems. The data were collected from twelve Science, Technology and Technical Education Board (STTEB) schools in Nigeria. A problem solving model that is due to Ashmore, Frazer & Casey (1979) was used. The results revealed that only 1.3 % of the students solved the problems correctly, 59.6 % of the students’ scripts analyzed showed that students could not relate the known with the unknown variables. The most common difficulties identified were in relating the known with unknown variables and retrieving information from memory for critical reasoning through the problem. Recommendations for teachers on how to improve students’ problem solving strategies are given.
Key words: stoichiometric problems, difficulties faced, problem solving, students’ performance, nature of difficulties.
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ISSN (Paper)2222-1735 ISSN (Online)2222-288X
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