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Home Q & A Board Biology-Related Homework Help Medicine Dentistry
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epyon_avenger epyon_avenger
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7 years ago
A study in which neither the participant nor the researcher knows who is using a product or placebo is termed ________.
A) Double-blind
B) Blind
C) Cross-over
D) Double cross-over
E) None of the above
Textbook 
Dental Public Health and Research: Contemporary Practice for the Dental Hygienist

Dental Public Health and Research: Contemporary Practice for the Dental Hygienist


Edition: 3rd
Author:
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Economics is extremely useful as a form of employment for economists. Wink Face
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SamambaSamamba
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7 years ago
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epyon_avenger Author
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7 years ago
Thanks
Turboturner
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Yesterday
You make an excellent tutor!
cartoon
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2 hours ago
Brilliant ツ
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