Assertion (A): A child learns to walk at 11 months while another learns to walk at 15 months.
Reason(R): Development occurs at different rates in individuals.
Choose the correct option.
- AOption (a)
Both (A) and (R) are true and (R) is the correct explanation of (A).
- BOption (b)
Both (A) and (R) are true but (R) is not the correct explanation of (A).
- COption (c)
(A) is true but (R) is false.
- DOption (d)
Both (A) and (R) are false.
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Correct answer
Both (A) and (R) are true and (R) is the correct explanation of (A).
Why this answer is correct
Human development refers to the psychosocial, physical, and cognitive development of humans. It extends to the entire lifespan of humans. Physical development of humans involves growth and changes in the brain and the body including sense organs, motor skills, health, etc. Psychosocial development involves changes in personality, social relationships, and emotions. Cognitive development involves changes in memory, language, reasoning, creativity, etc.
Key Points In the given problem, Both (A) and (R) are true and (R) is the correct explanation of (A).
Principles of the Human Development:
- Development is Continuous
- Development is Gradual
- Development is Sequential
- Rate of Development Varies Person to Person: The rate of development is not uniform. Individuals differ in the rate of growth and development. Boys and girls have different development rates.
Each part of the body has its own particular rate of growth. There are periods of great intensity and equilibrium and there are periods of imbalance. In the given problem, if a child learns to walk at 11 months while another learns to walk at 15 months. It is because Development occurs at differing rates in individuals. 5. Development Proceeds from General to Specific 6. Most Traits are Correlated to Development 7. Growth and Development is a Product of Both Heredity and Environment 8. Development is Predictable. 9. There is a Constant Interaction Between All Factors of Development
Thus, it can be concluded that Both (A) and (R) are true and (R) is the correct explanation of (A).