文档介绍:Unit18EvaluatingandAdaptingTextbooksAimsoftheunit:??????Inallmodernschoolsystemsthetextbookhaslongservednotonlytosupportinstructionbuttosymbolizethatinstruction,inotherwords,,textbooksintraditionalpedagogyhaveevolvedintoagreatvarietyofresourcesusedinlanguageclassroomsuchasaudiocassettes,videos,CD-ROMs,dictionaries,grammarbook,readers,workbook,teacher’sbooks,photocopiedmaterials,flashcards,andotherauthenticmaterials,suchasnewspapers,photographs,advertisements,radio/TVprogrammes,“ma-terials”isusedinplaceof“textbooks”,whichreferstoanythingthatisusedbyteach-“textbooks”isstillwidelyused,,answerthefollowingquestions:Didyouparticularlylikeordislikeanyofthem?Why?Werethematerialsonyourlistwidelyused?Aretheystillusednow?Whenyouareready,“Oh,thisisagoodtextbook”or“Well,Idon’tthinkmystudentswilllikethisbook”.mentsareusuallybasedonadhocevaluation,thatis,impressionisticevaluationbasedonintuitions,experienceofclassroomuseor‘justfirstimpression”.Contrarytoadhocevaluation,systematicevaluationoftextbooksisbasedonspecificationofobjectives,,whichincludespre-useevaluation,whilst-useevaluationandpost--the-pageevaluation;-the-pageevaluation:evaluationisdonebasedontheusers’opinions(teachers’aswellaslearners’)