?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=A+Decomposition+Approach+for+a+New+Test-Scenario+in+Complex+Problem+Solving&rft.creator=Engelhart%2C+Michael&rft.creator=Funke%2C+Joachim&rft.creator=Sager%2C+Sebastian&rft.subject=Cognitive+Psychology&rft.subject=Statistical+Models&rft.description=Over+the+last+years%2C+psychological+research+has+increasingly+used+computer-supported+tests%2C+especially+in+the+analysis+of+complex+human+decision+making+and+problem+solving.+The+approach+is+to+use+computer-based+test+scenarios+and+to+evaluate+the+performance+of+participants+and+correlate+it+to+certain+attributes%2C+such+as+the+participant's+capacity+to+regulate+emotions.+However%2C+two+important+questions+can+only+be+answered+with+the+help+of+modern+optimization+methodology.+The+first+one+considers+an+analysis+of+the+exact+situations+and+decisions+that+led+to+a+bad+or+good+overall+performance+of+test+persons.+The+second+important+question+concerns+performance%2C+as+the+choices+made+by+humans+can+only+be+compared+to+one+another%2C+but+not+to+the+optimal+solution%2C+as+it+is+unknown+in+general.%0D%0A%0D%0AAdditionally%2C+these+test-scenarios+have+usually+been+defined+on+a+trial-and-error+basis%2C+until+certain+characteristics+became+apparent.+The+more+complex+models+become%2C+the+more+likely+it+is+that+unforeseen+and+unwanted+characteristics+emerge+in+studies.+To+overcome+this+important+problem%2C+we+propose+to+use+mathematical+optimization+methodology+not+only+as+an+analysis+and+training+tool%2C+but+also+in+the+design+stage+of+the+complex+problem+scenario.%0D%0A%0D%0AWe+present+a+novel+test+scenario%2C+the+IWR+Tailorshop%2C+with+functional+relations+and+model+parameters+that+have+been+formulated+based+on+optimization+results.+We+also+present+a+tailored+decomposition+approach+to+solve+the+resulting+mixed-integer+nonlinear+programs+with+nonconvex+relaxations+and+show+some+promising+results+of+this+approach.&rft.publisher=Elsevier&rft.date=2013&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F9040%2F1%2FEngelhart%2520Funke%2520Sager%25202012%2520Tailorshop.pdf&rft.identifier=++Engelhart%2C+Michael+and+Funke%2C+Joachim+and+Sager%2C+Sebastian++(2013)+A+Decomposition+Approach+for+a+New+Test-Scenario+in+Complex+Problem+Solving.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F9040%2F