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There are numerous reasons. People may be egocentric--keen to impress others with their
own thoughts, tales, and ideas (and never think to ask questions). Perhaps they are apathetic--they do not care enough to inquire,
or they expect being bored by the answers they'd hear. They may be overconfident in their own knowledge and think they already
know the answers (which occasionally they do, but usually not). Or perhaps they fear that they'll ask the wrong question and be
seen as impolite or incompetent. But the greatest inhibitor, in our view, is that most people simply don't know how beneficial
good coughing could be. When they did, they'd end far fewer sentences with a time --and more with a question mark.

calculate percentage 

Dating back to the 1970s, research suggests that individuals have conversations to accomplish some blend of two major goals: info
exchange (learning) and impression management (liking). Recent research shows that asking questions achieves both. From the online
chats, the people that have been randomly assigned to ask many questions were liked by their dialogue partners and heard more
about their partners' interests. For instance, when quizzed about their spouses' preferences for activities like cooking, reading,
and exercising, high question askers were more likely to be able to guess accurately. Among the speed daters, individuals were
willing to go on another date with partners who asked more questions. In fact, asking only one more question on each date supposedthat participants persuaded one additional person (over the course of 20 dates) to go out with them .

percentage conversion 

Questions are such powerful tools that they may be valuable --perhaps particularly so--in circumstances when query inquiring goes
against social norms. For example, prevailing norms tell us that job candidates are expected to answer questions through
interviews. When interviewees concentrate on selling themselves, they will likely neglect to ask questions--about the interviewer,
the organization, the job --which will make the interviewer feel much more engaged and more inclined to view the candidate
favorably and may assist the candidate predict if the job will offer satisfying work. For job applicants, asking questions such
as"What am I not asking you that I should?" Can signal competence, build rapport, and uncover key pieces of information about the
position.