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Health, 23.07.2021 09:00 niniaalvarez
23. Kỹ thuật ghép cặp được áp dụng trong nghiên cứu bệnh chứng để:
A. Kiểm soát các biến số đã được biết là có ảnh hưởng đến sự phân bố của bệnh mà ta nghiên cứu ở cả 2 nhóm bệnh và nhóm chứng
B. Có thể nghiên cứu được ảnh hưởng của các biến số được ghép
C. Kết quả được quy cho ảnh hưởng của các biến số được ghép
D. Giảm cỡ mẫu nghiên cứu
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Answers: 2
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23. Kỹ thuật ghép cặp được áp dụng trong nghiên cứu bệnh chứng để:
A. Kiểm soát các biến số đã được...
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