Answer: surveying

AnswerCrossword Clue
surveying(of a person or their eyes) Look carefully and thoroughly at (someone or something), esp. so as to appraise them
surveyingInvestigate the opinions or experience of (a group of people) by asking them questions
surveyingSURVEY, to examine in detail
surveyingExamine and record the area and features of (an area of land) so as to construct a map, plan, or description
surveyingInvestigate (behavior or opinions) by questioning a group of people