According to your textbook, the most important cause of Samantha's poor listening was "not concentrating".
Listening is the demonstration of hearing. As it were we can state that listening is the action through which we speak with other individuals, to get messages. In our every day life we listen more than we talk. So! listening is essential for us to comprehend what is said by speaker. Anyway it is hard to listen everybody mindfully all the time since it requires a great deal of training.
Low concentration, or not giving careful consideration to speakers, is unfavorable to successful tuning in. It can result from different mental or physical circumstances.
