manipulate是什么意思

Some experts even consider lying a developmental milestone, like crawling and walking, because it requires sophisticated planning, attention and the ability to see a situation from someone else5 s perspective to manipulate them.

2019年12月六级真题（第一套）阅读 Section C

Building on the basic truth about interpersonal influence,the researchers studied the dynamics of social influence by conducting thousands of computer simulations of populations manipulating a number of variables relating to people’s ability to influence others and their tendency to be influenced.

出自-2010年考研阅读原文