Which of the following is teacher related factor affecting learning?

Learning is a process by which behaviour is either modified or changed through experience or training. Learning is thus a relatively permanent change in response potentiality which occurs as a function of reinforced practice.

Key Points

Teacher-related factors affecting learning:

• Teacher's Knowledge over the subject matter: Teachers who are firmly rooted in their subject knowledge make clearer presentations and recognize students' difficulties readily. He/she should be able to undertake application-oriented teaching as well. 
• The leadership style adopted by the teacher in terms of whether it is authoritarian, democratic, benevolent, or indifferent greatly influences how the students will respond and involve themselves in the learning tasks.
• The relationship which teachers have with their students also sets the tone and climate of the classroom.
• The evaluative comments that teachers make either verbally or in writing also have a great bearing on students learning. They have the power to motivate and encourage or stifle and discourage. 
• Apart from expectations, there are many other characteristics related to teachers that influence their learners and the teaching-learning process. The most significant among these are modeling, enthusiasm, caring, and positive expectations.
• Research indicates that teachers who present information enthusiastically, increase learners' self-efficacy, attributions of effort and ability, self-confidence, and achievement.
• The caring attitude of a teacher and how he/she communicates it is another important factor, Caring refers to a teacher's ability to emphasize and invest in the protection and development of her learners. 

Additional Information

• Learner related:

1. Maturation (Readiness to learn)
2. Motivation
3. Self-concept
4. Goals

• Teacher Related

1. Teacher's Personality
2. Mastery over the subject-matter
3. Communication
4. Leadership style of teacher
5. Interpersonal relationships of the teacher with the learners.
6. Teaching styles

• Task Related 

1. Methods used
2. Nature of Task
3. Teaching aids used
4. Structure of the discipline 

• Environment Related 

1. Physical environment (climate/comfort)
2. The socio-emotional climate of the class 

Hint

• Proper seating arrangement, Availability of teaching-learning resources, Nature of the content or learning experiences are the classroom related factors affecting learning.

From the above, we can conclude that mastery over the subject-matter is a teacher-related factor affecting learning.