認知性監(jiān)控作業(yè)心理工作負荷的多維度評估及影響因素研究.pdf

1、薩㈤驥鬻懣辯’’‘鬻j丑；霪秘博茹言i￡!AbstractWimthedevelopmentofcomputertechnologymoreandmorecognitivemonitoringtaskshaveappearedinmanyfieldsThementalworkloadinsuchtaskshasattractedmoreandmoreattentionThispaperevaluatedtheworkloadinsuch

2、tasksbyusingprimarytaskmeasure，subsidiarytaskmeasureandsubjectivementalworkloadevaluationTheeffectsofeventfrequencyandsignalprobabilityontheperformanceandsubjectivementalworkloadinsuchtaskswerealsoinvestigatedThewholestu

3、dywascomposedoftwoexperiments：Tlleexpedment1：themultidimensionevaluationofthementalworkloadincognitivemonitoringtasksTheexperiment2：theeffectsofeventfrequencyandsignalprobabilityontheperformanceandsubjectivementalworkloa

4、dincognitivemonitoringtasksTheresultssuggestedthat：(1)Theprimarytaskmeasure，subsidiarytaskmeasureandsubjectivementalworkloadevaluationallhadsignificantsensibilitytothechangesofworkloadlevelincognitivemonitoringtasksThere

5、weresignificantrelationsamongthesemeasurements，whichimpliedthatthesetechniquesofmeasurementallhadgoodreliability(2)Inevaluatingthementalworkloadofcognitivemonitoringtasks，theindexesofhitrateandaccuratereactiontimeinprima

6、rytaskmeasure，accuratereactiontimerateanditstwocovariatecorrectedvaluesinsubsidiarytaskmeasure，weightedworkloadscore(WWL)insubjectivementalworkloadevaluationallhadsignificantsensibilitytothechangesofworkloadlevelinthisex

7、periment(3)Inthecognitivemonitoringtasks，boththeeventfrequencyandsignalprobabilityhadsignificanteffectsontheperformanceTheperformanceunderhigheventfrequencyandhighsignalprobabilityconditionsWaSbeRerthanloweventfrequencya

8、ndlowsignalprobabilityTheeventfrequencyhadsignificanteffectsonthesubjectiveworkloadTheworkloadleveltraderhigheventfrequencyconditionsWashigherthanloweventfrequencyThesignalprobabilitydidn’taffectthesubjectiveworkloadSOmu

9、chastheeventfrequencydidItⅥ，asfoundthattherewassome‘‘dissociation’betweentheobjectiveperformancemeasurementandtheresultsofsubjectiveevaluationKeywords：cognitivemonitoring，mentalworkload，multidimensionalevaluation，eventfr