Which of the following are the advantages of the lecture-cum-demonstration method?
1.Clear and permanent knowledge
2.Helping the task of the teacher
3.Helpful in mental development
4.Economical method
A2 & 4 only
B1, 3 & 4 only
C1, 2, 3 & 4 ✓ Correct
D2 & 3 only
Correct answer: (C) 1, 2, 3 & 4
Explanation
All four are advantages of the lecture-cum-demonstration method, giving clear and permanent knowledge, aiding the teacher, helping mental development and being economical.
Clear and permanent knowledge (1) results from combining explanation with visible demonstration.
Helping the task of the teacher (2) follows because showing eases telling.
Helpful in mental development (3) comes from observing and reasoning about the demonstration.
Economical method (4) holds because one demonstration serves the whole class.
The method blends the lecture's verbal exposition with a practical demonstration for better retention.
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