This volume of the Second Annual Report on the California Master Plan for Special Education contains supporting technical information for the findings reported in Volume I. In the first section of this appendix, the method used to select the 25 sample areas is described. The second section details the methodology used for selecting teachers and parents for the questionnaire survey and presents response rates by area for each group surveyed. The third section explains the methodology used to develop the indices of knowledge, satisfaction, and skill. The fourth section describes the procedures used for the follow-up of survey activities, presents the results of the nonresponse bias survey, and contains tables of the standard errors and confidence intervals for questions used in the parent and teacher questionnaires