ballenger behaviormodification bilingual biography casestudies certification children childrenofimmigrants childrenwithdisabilities childrenwithmentaldisabilities cynthia developmentallydisabledchildren education education(preschool) educationalleadership educationalpolicy etc examinations firstyearteachers general greatbritain haitianamericans handbooks homeandschool in-servicetraining inclusiveeducation individualizedinstruction inklusivepädagogik jobstress languagearts(preschool) lawandlegislation learningdisabilities learningdisabledchildren learningdisabledyouth mainstreamingineducation manuals parent-teacherrelationships parentparticipation prevention psychologicalaspects reform schoolmanagementandorganization specialeducation studyandteaching teachers teachers'assistants teachersofchildrenwithmentaldisabilities teaching trainingof unitedstates