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Concept maps as a tool for teaching organic chemical reactions
ID
Šket, Barbara
(
Avtor
),
ID
Glažar, Saša A.
(
Avtor
),
ID
Vogrinc, Janez
(
Avtor
)
URL - Izvorni URL, za dostop obiščite
http://pefprints.pef.uni-lj.si/id/eprint/2880
Galerija slik
Izvleček
The purpose of the research was to establish the impact of the application of a concept map in chemistry lessons on the effective solving of tasks with organic reactions content. In the first phase of the research, a concept map was produced representing the reactions of hydrocarbons, organic halogenated compounds and organic oxygen compounds, and in the second phase the produced concept map was introduced in lessons. Its impact was tested on a sample consisting of 186 students (average age of 17.8 years), who were divided into a control group (88 students) and an experimental group (98 students). Prior to the experiment, the two groups were equalized in terms of their level of development of formal logical thinking and their average grade in chemistry. A knowledge test, consisting of five problem tasks comprising multiple parts, was used as a quantitative instrument for measuring the impact of the applied concept map. The content of the knowledge test was selected on the basis of the chemistry lesson plan (reactions of organic oxygen compounds) for general upper secondary schools (in Slovenian: gimnazija). An analysis of the task solving showed statistically significant differences in the responses of the experimental group members and the control group members (experimental group M = 15.9; SD = 6.33; control group M = 13.6; SD = 7.93; p = 0.03). The produced concept map contributed to the more effective interrelation of concepts and, consequently, to more effective problem task solving.
Jezik:
Angleški jezik
Ključne besede:
kemične reakcije
,
pojmovne mape
Tipologija:
1.01 - Izvirni znanstveni članek
Organizacija:
PEF - Pedagoška fakulteta
Leto izida:
2015
Št. strani:
Str. 462-472
Številčenje:
Vol. 62, no. 2
PID:
20.500.12556/RUL-72096
UDK:
37.091.3:54
ISSN pri članku:
1580-3155
DOI:
10.17344/acsi.2014.1148
COBISS.SI-ID:
10604617
Datum objave v RUL:
26.08.2015
Število ogledov:
2169
Število prenosov:
220
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Objavi na:
Gradivo je del revije
Naslov:
Acta chimica slovenica
Skrajšan naslov:
Acta chim. slov.
Založnik:
Slovensko kemijsko društvo, =Slovenian Chemical Society
ISSN:
1580-3155
COBISS.SI-ID:
21870085
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