The volunteers carried out the procedure in several conflicting ways because the coordinator's instructions were [Blank 1].
Select two answers.
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Answer: A (ambiguous) and C (equivocal)
The word “because” indicates that the wording of the instructions caused the volunteers to interpret them differently. Thus, the blank must describe instructions that permit more than one interpretation. “Ambiguous” and “equivocal” both have this meaning and produce equivalent sentences. The other choices do not explain the volunteers’ conflicting interpretations.