Paper 1 · Research Aptitude
Which of the following is a characteristic of a good theory or explanation?
AIt is parsimonious
BIt is testable
CIt is general enough to apply to different situations
DAll of the above ✓ Correct
Correct answer: (D) All of the above — Being parsimonious, testable and general are all characteristics of a good theory, so the answer is all of the above.
Explanation
★Being parsimonious, testable and general are all characteristics of a good theory, so the answer is all of the above.
★A good theory is parsimonious, explaining much with as few assumptions as possible.
★It is testable, so its claims can be checked against evidence and possibly falsified.
★It is general enough to apply across different situations rather than to a single case.
★These three qualities together make a theory sound and useful.
★Since each is a genuine mark of a good theory, all of them together are correct.
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