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Author: Dr.G.Kumuda
Bluetooth technology in computers and WAP ( Wireless Applicatio Protocol ) in electronics and human genome in medical science are just a few of the numerous advances that have taken place
recently. These advances indicate that science plays a vital
role in modern society. Hence it becomes essential
science educationist to enhance meaningful learning, as today's
students are future architects of modern society. Hence the investigator has adopted Concept Mapping as one of the
strategies to introduce the concepts Semiconductor Heterostructures, IC for which Nobel Prize has been awarded
during the year 2000.
Concept Map
A Concept Map is a schematic device for representing a set of
concept meanings embedded in a framework of propositions. In a
Concept Map, the more general, more inclusive concepts should be
at the apex of the Concept Map, with progressively more
specific, less inclusive concepts arranged below them. Since the
concepts are arranged hierarchically, meaningful learning
precedes more easily as new concepts or concept meanings are
subsumed under broader more inclusive concepts.
Present Study
In the present study the investigator introduced the 2 concepts
namely Semiconductor Heterostructures, IC through two different
methods namely Concept Mapping Method and Lecture Method. The XI
standard students of N.K.T.National Girls' Higher Secondary
School, India (where the investigator is working) studying under
State Board syllabus formed the sample. The class was divided
into two groups of 20 students each and was treated as Control
Group (CG) and Experimental Group (EG). ( Next Page )
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