When an instructor listens carefully to your question in class, he or she is using acknowledgment.
The instructor is acknowledging that you are speaking and that you are interesting in knowing the answer to your question. He or she is not irritable, but rather patient with you and listens without interrupting you.
Explanation:
The benefits of using preliminary searches and encyclopedias when conducting literature review are :
1. International Encyclopedias on communication contains around 1,300 essays in about 29 editorial sectors which are related to technology, education, media, literature, etc.
2. International Encyclopedia on Social Sciences and Behavioral Sciences contains about 4000 authors that covers hundreds of topics on language, linguistics, literature, society, psychology, etc.
3. It offers new perspectives, ideas and approaches to you.
4. It provides information about other researchers and writers who had conducted work in the same field.
This would be true, I hope I helped