1. A Study to this effects suggests that the average white-collar worker demonstrates only about 25% listening efficiency.


2. However for trained and good listeners it is not unusual to use all the three approaches during a setting, thus improving listening efficiency.


3. There are three approaches to listening: Listening for comprehension, Listening for empathy and Listening for evaluation.


4. Although we spend nearly half of each communication interaction listening, we do not listen well.


5. Each approach has a particular emphasis that may help us to receive and process informationin different settings.

Which of the sentences should come fifth in the paragraph ?