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The teacher leads the discourse by asking questions of students , and students answer the questions in an order in which typically one student speaks at a time and answers the teacher 's question very briefly , often in a one word response . Instructors are encouraged to participate in the workshop by asking questions , providing details about the assignment , and working one-on-one with students as needed . Thus a student may be asked to choose pictures to talk about , and the teacher 's role is to guide the student by asking questions that require the use of related vocabulary . This technology allows users with a way to navigate from text to text by asking questions and looking for answers - users are no longer limited to the single perspective of one piece of research since questions raised by one piece of research are answered by other pieces of research . At a given stage in a scenario , a user may wish to improve his understanding of the results of his analysis by asking questions necessitating the consultation of various data sources available through the Web .