Teaching/learning process 28 Method of teaching youth 33 Method of teaching adults 35 CHAPER ni. METHODS OF PROCEDURE Assumptions 38 Limitations Definition of terms Research design Development of mailed questionnaire Determining the target population Selection of sample Data collection Analysis of data CHAPTER IV. FINDINGS Respondent's perceptions of the importance of selected teaching techniques Respondent's perceptions of the importance of selected teacher's characteristics Teachers perceptions of the effectiveness of methods of teaching used in formal education for youth Teachers perceptions of the effectiveness of methods of teaching used in formal education for adults 49 iii Teachers perceptions of the effectiveness of methods of teaching used in informal education for youth 49 Teachers perceptions of the effectiveness of methods of teaching used in informal education for adults 52 Educational background of respondents 52 Respondent's experience in teaching agriculture Respondent's age Iowa agricultural education areas