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1、青少年心理（Adolescentpsychology）ResearchmethodsofdevelopmentalpsychologyInthestudyofdevelopmentalpsychology,afterdeterminingthetypeofresearchdesign,itisnecessarytodecidewhichspecificmethodtocollectinformationandtesthypotheses.Thispapermainlyintroducesthemethodsofo
2、bservation,interview,casestudy,questionnaire,test,experimentandculturalcomparison.(I)observationmethodObservationisacommonmethodindevelopmentalpsychology.Itmeansthatresearcherscanobservechildren'spsychologicalandbehavioralperformancepurposefullyandinaplannedw
3、aythroughsensesorcertaininstrumentsandequipment.Beforetheobservation,tothedesignplan,includingthebehaviortobeobservedundertheoperationaldefinition,determinetheobservationsituationorplace,determinethetimeandunitofobservation,determinationmethodofrecordingmetho
4、danddataanalysis.Accordingtodifferentobservationconditions,theobservationmethodcanbedividedintonaturalobservationmethodandstructuralobservationmethod.Naturalobservationreferstotheobservationofindividualbehaviorinthedailylifeenvironment.Usuallyrefertochildren'
5、sbehaviorinfamily,school,kindergartenorgameplace,andrecordcarefully.Accordingtothepurposeofthestudy,itcanbedividedintothefollowingfourkinds.(1)adescriptionofthesample,inthepreselectedinthecontextofaspecificobjectaccordingtothetimesequenceofcontinuousobservati
6、on,andrecordallthebehaviors,includingchildrenandothersonthereactionofthedoings,wordsanddeeds,notallchoosetodescribewhathappened.Theadvantageisthatthecontentisrichanddetailed,candeterminethecausesofbehaviorandthepossiblefactors,thedisadvantageisthattheremaybet
7、hereliabilityofrecordinganddataquantificationdifficulties.(2)timesamplingmethod,whichreferstotheobservationofpredeterminedbehavioratafixedinterval.Beforethebeginningoftheobservation,thelength,theintervalandthefrequencyoftheobservationshouldbestudied.Theadvant
8、ageofthismethodisthatitcanbeusedtoquantifytheobserveddata,butthismethodisonlyapplicabletothefrequentlyoccurringbehavior,whichisnotsuitableforveryfewbehaviors.Becauseitislimitedtoobservein
