Exam-style question
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What is the defining feature of abstraction by generalisation or categorisation?.
- A.It removes all relationships between items
- B.It groups items by common characteristics
- C.It represents every item with exactly the same details
- D.It replaces a computation with a physical object
Model answer
What a good answer should say
- It groups items by common characteristics
Explanation
Why this works
Abstraction by generalisation or categorisation groups items that share characteristics and can produce a hierarchical 'is a kind of' relationship.
Common mistake
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