Someone who helps to teach a concept privately or to a very small group is a

Someone who helps to teach a concept privately or to a very small group is a teacher.

Explanation:

The benefits of small group instructions are they are useful in teacher and student time, lower cost, increased interaction and opportunities for students to improve skills.

These small group teaching helps the students to organize and structure their ideas of their own thoughts and also encourages the students to open up and  discuss their views and understandings.

The small group learning enhances the students overall experience in developing various creative skills in critical thinking, problem solving, team leadership, learning skills that are valued by employers.

Small groups have achieved an excellent position in medical education and become increasingly popular with students as a way to enable them to research and improve the process of deep learning.

Explanation:

The main features of community instruction include the active participation of learners throughout the learning process and well established task alignment with concrete goals and objectives accomplished within a limited period of time. The key components in designing an optimal small group teaching and learning session include departmental and institutional considerations, including education approaches, community size, physical surroundings, available resources, requirement diagnostic, goal formulation and a proper teaching outline.Small-group teaching increases student interest, teamwork, knowledge and skills retention, improves idea transfer to new problems and enhances self-directed learning. This creates self-motivation, discusses problems, allows students to show their thoughts and actions of higher order. It also encourages adult learning and personal response acceptance

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