It's better known as being two-faced and in the business world it can be a real killer. Some people end up getting sucked into this trap in order to get the job, then go through a continual living hell as they are forced to fake it for the duration of the job. Don't do it. But you should be aware of what your personality range is and be willing to move fluidly within that range to accommodate the personality of the individual with whom you are meeting. It does mean that we should do our best to come as close as possible to matching the other person's personality within the bounds of our own personality range.
Perfection is relative to the recipient.
As a side note, think about someone you truly dislike. If you put into practice this one technique, you will likely increase your chances of success dramatically, and not just in interviewing. Personality matching is a technique that you can use in virtually all areas of human communication. You are welcome to browse this material as a visitor of our site, but please do not abuse the copyright by making copies of this material, either electronic, paper or any other type.