確定和不確定兩種條件下的心理應(yīng)激對風(fēng)險(xiǎn)決策的影響.pdf

1、南京師范大學(xué)碩士學(xué)位論文確定和不確定兩種條件下的心理應(yīng)激對風(fēng)險(xiǎn)決策的影響姓名：劉飛申請學(xué)位級別：碩士專業(yè)：基礎(chǔ)心理學(xué)指導(dǎo)教師：蔡厚德20100522AbstractAbstractRecentlytheissueoftherelationshipbetweenemotionanddecisionmakinghasbeengraduallyconcernedbyresearchesAsaspecialemotionalstate，howt

2、hepsychologicalstressaffectshighercognitiveactivities(suchasreasoningdecisionmaking)hasbecomeahotissueintheresearchfieldsofemotionanddecisionmakingPreviousstudieshavefoundthatthetaskofpsychologicalstressusingpublicspeaki

3、ngastheanticipatedstressorcouldmakethesubjectsperformallobviousrisktakingtendencyinthesubsequentriskdecisionmakingtaskTheresearchesspeculatedthatthismaybebecausethatthephysiologicalactivationarousingbypsychologicalstress

4、interferedwi廿ltheeffectiveregulationofemotionalsomaticsignaltodecisionmakingprocessingItshouldbepointedoutthatthetaskofpsychologicalstressadoptedbymostofstudieswascertaintystressorwhoseprobabilityofappearanceafteraperiod

5、oftimeWas100％ButnowtherearefewstudiesinvestigatingtheeffectmechanismofuncertaintystressoronriskdecisionmakingForthisreasonthisstudyadoptedthepublicspeakingtaskandthetaskparadigmofriskdecisionmakingnamedGameofDiceTask(GDT

6、)tomainlyinvestigatetheeffectmechanismofpsychologicalstressincertaintyanduncertaintyconditionsonriskdecisionmakingbehaviorInadditionitalsoinvestigatedwhethertheautonomicnervousresponsesinbothstressconditionsexiteddistinc

7、tdifferencesTheexperimentusedsinglefactordesignwithinsubjectandtheindependentvariableWasexperimentalinterval，whichWasdividedintothreelevelsnamedbaselinecertaintyconditionanduncertaintyconditionInbaselinephase，22womensubj

8、ectswereinrestingstates，and也eirindexesofheartratevariability(HRV)containingstandarddeviationofnormal—to—normalintervals(SDNN)，lowfrequencyspectrumpower(LF)andhighfrequencyspectrumpower(HF)wererecordedIncertaintycondition

9、phase，thesubjectswerefirstlynotedthattlleywouldcertainlyparticipateinapublicspeakingtaskafterapedodoftime，andthenmeirindexesofHRVinstressstateswererecordedfor3minutesAfterthatthesubjectsperformedGDTInuncertaintycondition

10、phase，thesubjectswerefirstlynotedthatwhethertheyneededtoparticipateinapublicspeakingtaskwouldbedeterminedbythrowingcoinafteraperiodoftime，andthenmeirindexesofHRVinstressstateswererecordedfor3minutesAftertllat，thesubjects