Who introduced the concept of lateral thinking, and how is it contrasted with vertical thinking?
AEdward de Bono: vertical thinking digs the same hole deeper, lateral seeks another place
BJ.P. Guilford: vertical thinking solves only convergent tasks, lateral solves only divergent
CLev Vygotsky: vertical thinking precedes language, lateral merges with it at age two
DNoam Chomsky: vertical thinking is innate grammar, lateral is learned vocabulary
Answer & Solution
Correct answer: A. Edward de Bono: vertical thinking digs the same hole deeper, lateral seeks another place
1. Box 7.2 introduces the term lateral thinking and attributes it to Edward de Bono.
2. De Bono distinguishes vertical (logical) thinking from lateral thinking.
3. The chapter quotes de Bono: vertical thinking digs the same hole deeper, going deeper in one direction.
4. Lateral thinking is concerned with digging a hole in another place.
5. Hence lateral thinking is de Bono's concept, contrasted with vertical thinking.
_Source: NCERT Class 11 Psychology Ch 7 "Thinking", p. 118, Box 7.2 Lateral Thinking_
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