Instructional Influence of a Molecular-Level Pictorial Presentation of Matter on Students' Conceptions and Problem-Solving Ability.

Autor:	Noh, Taehee, Scharmann, Lawrence C.
Předmět:	INSTRUCTIONAL systems TEACHING methods COMPREHENSIVE instruction (Reading) EDUCATION research CREATIVE teaching PROBLEM solving VISUAL communication CHEMISTRY education METHODOLOGY
Zdroj:	Journal of Research in Science Teaching; Feb1997, Vol. 34 Issue 2, p199-217, 19p
Abstrakt:	The article presents information on a research in which the effect of instructional methodology upon students' conceptions and problem-solving ability in the pictorial way of study of Chemistry is investigated. The main focus of the was presenting pictures at the molecular level when introducing chemistry concepts and solving chemistry problems. Before instruction, the Group Assessment of Logical Thinking (GALT) test and the Chemistry Problem-Solving Test consisting of 10 pairs of pictorial and algorithmic problems were mandated and scores from these tests were used as a covariate for further analysis. The GALT score was then essentially correlated with students' conceptions and problem-solving ability. The analysis of covariance results showed that instruction with pictorial materials at the molecular level helped students construct more scientifically correct conceptions than traditional instruction. A discussion on the results of the study is also offered in the article.
Databáze:	Complementary Index
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