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[PDF] SYSTEMIC MULTIPLE CHOICE QUESTIONS IN CHEMISTRY - iupac

The questions in objective tests require a very short answer The questions are We illustrate here examples of systemic multiple choice questions that can form the basis of organic, heterocyclic, and physical, chemistry are presented here

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1

SYSTEMIC MULTIPLE CHOICE QUESTIONS

IN CHEMISTRY

*Ameen F. M. Fahmy, **J. J. Lagowski * Faculty of Science, Department of Chemistry and Science Education Center, Ain shams University,

Abbassia, Cairo, Egypt

E-mail: fahmy@online.com.eg

** Department of Chemistry and Biochemistry the University of Texas at Austin, TX 78712

E-mail: jjl@mail.cm.utexas.edu

19th ICCE, Seoul, Aug. 12-17 (2006)

In the last nine years, we have designed, implement, and evaluated the systemic approach to teaching and learning chemistry (SATLC)[1-4]. In continuing this work, we have designed a new kind of objective test based on systemics, which is presented here. The questions in objective tests require a very short answer. The questions are related to facts (thus, objective) which have unequivocal answers. Objective questions can be multiple choice, true/false, and fill in the blank. The scoring procedure for an objective test is completely specified enabling agreement among different scorers. Traditional objective tests are usually good instruments examining the recall of information and the application of terms, but they cannot assess learning beyond comprehension. However, systemic objective tests can challenge students and potentially can test higher learning levels (e.g., analysis, synthesis, and evaluation in

Bloom's taxonomy [5,6]).

We illustrate here examples of systemic multiple choice questions that can form the basis of conventional objective tests and which require a choice from a list of possible systemic-related answers. Each systemic choice represents three to five physical, or chemical relations, between concepts, atoms, or molecules. Various types of systemic multiple choice questions from the fields of general, organic, heterocyclic, and physical, chemistry are presented here. 2 A B C X Y Z A B C Y X Z A B C Z X Y A B C X Z Y a) b) c) d) a) b) c) d) Fe Fe 2 (SO 4 3 FeSO 4 dil H 2 SO 4 H 2 SO 4 / O 2 Fe FeCl 3 Cl 2 / Zn heat/ air FeCl 2 Fe FeO O 2 dil./H 2 SO 4 FeSO 4 Fe Fe 3quotesdbs_dbs2.pdfusesText_2