Who is the originator of the social-interaction teaching model? Having large store of teaching skills is termed as . Some of the key differences noticed among individual pupils in the regular classroom are speech impaired, hard of hearing, and .

Here are the answers to the questions:

1. The social-interaction teaching model emphasizes the importance of interaction among students and between students and teachers. While Lev Vygotsky is a primary figure associated with social interaction in learning, among the given options, Ned Flanders is known for his work on Flanders Interaction Analysis Categories (FIAC), which is a system for observing and analyzing verbal interaction in the classroom. This work is foundational to understanding and implementing social interaction in teaching.

   • C. Ned Flanders

2. "Having a large store of teaching skills" refers to a teacher's ability to effectively implement various instructional strategies and classroom management techniques. This is best described as the knowledge and expertise related to how to teach.

   • C. delivery knowledge

3. The question lists "speech impaired" and "hard of hearing" as key differences among pupils, which are specific types of learning challenges or disabilities. To complete the list with a similar category, "learning disabled" is the most appropriate choice, as it encompasses a broad range of specific learning difficulties.

   • B. learning disabled