Examine this two-paragraph survey-methods reflection.
Paragraph 1: Researchers are explaining why two versions of a survey produced different ratings. Later interviews showed that question order affected some responses.
Paragraph 2: Several participants admitted [underlined portion: to be influenced] by the order in which the options appeared. The revised survey rotates the order of those options.
What should replace the underlined portion in this survey-methods reflection so the sentence is conventional?