TheBritishpsychoanalystJohnBowlbymaintainsthatseparationfromtheparentsduringthesensitive"attachment"periodfrombirthtothreemayscarachild'spersonalityandleadtoemotionalproblemsinlaterlife.SomepeoplehavedrawntheconclusionfromBowlby'sworkthatchildrenshouldnotbesubjectedtodaycarebeforetheageofthreebecauseoftheparentalseparationitcauses,andmanypeopledobelievethis.Buttherearealsoargumentsagainstsuchastrongconclusion.
Firstly,anthropologistspointoutthattheinsulatedloveaffairbetweenchildrenandparentsfoundinmodernsocietiesdoesnotusuallyexistintraditionalsocieties.Forexample,insometribalsocieties,suchastheNgoni,thefatherandmotherofachilddidnotbringuptheirinfantalone-farfromit.Secondly,commonsensetellsusthatdaycarewouldnotbesowidespreadtodayifparents,care-takersfoundchildrenhadproblemswithit.Statisticalstudiesofthiskindhavenotyetbeencarriedout,andeveniftheywere,theresultswouldbecertaintobecomplicatedandcontroversial.
Thirdly,inthelastdecade,therehavebeenanumberofcarefulAmericanstudiesofchildrenindaycare,andtheyhaveuniformlyreportedthatdaycarehadaneutralorslightlypositiveeffectonchildren'sdevelopment.Butteststhathavehadtobeusedtomeasurethisdevelopmentarenotwidelyenoughacceptedtosettletheissue.
ButBowlby'sanalysisraisesthepossibilitythatearlydaycarehasdelayedeffects.Thepossibilitythatsuchcaremightleadto,say,morementalillnessorcrime15or20yearslatercanonlybeexploredbytheuseofstatistics.Whateverthelong-termeffects,parentssometimesfindtheimmediateeffectsdifficulttodealwith.Childrenunderthreearelikelytoprotestatleavingtheirparentsandshowunhappiness.Attheageofthreeorthreeandahalfalmostallchildrenfindthetransitiontonurseryeasy,andthisisundoubtedlywhymoreandmoreparentsmakeuseofchildcareatthistime.Thematter,then,isfarfromclear-cut,thoughexperienceandavailableevidenceindicatethatearlycareisreasonableforinfants.
74.Thepassageprimarilyargueswhether___.
A.daycareshouldbewidelyspread
B.thefamilyrelationshipisdifferentintradit