The appropriate response is the double-blind procedure. A double-blind study is one in which neither the members nor the experimenters know who is getting a specific treatment. This technique is used to avert predisposition in research comes about. Twofold visually impaired reviews are especially helpful for averting inclination because of interest qualities or the misleading impact.
Answer:
1. Manny Pacquiao
2. defeated the forces of Portuguese explorer Ferdinand Magellan and his native allies Rajah Humabon and Datu Zula.
Explanation:
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