- 11 - 3.4 Teacher Training. 3.41 Provision for Teacher Training. It shall be the responsibility of the State Board to provide adequate teacher training for teachers of vocational classes by qualified teacher-trainers and supervisors. The Board is responsible for the desig- nation of agencies which train teachers and for the super- vision of their teacher-training work. 3.42 Agreements with Approved Teacher-Training Institutions. When authorized by the state superintendent and executive officer, the state director may enter into agreements with the proper representatives of the approved training institutions to provide for training of prospective and in- service teachers: through approved courses. Procedures are outlined in a bulletin entitled "Administrative Policies and Procedures Covering State Board and Approved Teacher Education Institutions" which covers general considerations, budget and contractual situations, and appropriate adminis- tratire details. 3.43 Supervision and Standards. Teacher training is required to be under the supervision of the State Board. The Board, through its authorized representatives, will determine by periodic evaluation if standards of instruction and facilities are being maintained in the pre-service and in-service teacher-training programs in accordance with the agree- ments entered into by the Board and the teacher-training institutions. 3.44 Teacher Training by Local Administrative Units. When authorized by the State Board, local boards of education may employ qualified teacher-trainers to conduct in- service teacher training for employed instructors of voca- tional education classes under the same provisions as the State Board. 3.5 Research, Studies, Investigations, and Experimentation. 3.51 Types of Research and Sponsoring Agencies. Research may be conducted by the State Board for Vocational Education through the State Department of Education, through approved teacher-training institutions, and by county boards of public instruction through the local director of vocational education, when the research is confined to one of the following areas of study: Identifying and determining vocational training needs