Hak, A.

condition study research respondent hypotheses condition hypotheses survey response analysis management questionnaire example hypothesis business outcome theory ceiling problem patient value table process question result interview pattern performance number variable methodology erasmus univ rotterdam floor testing journal proposition population method paper project operation democracy project performance condition hypothesis approach selection bias regression physician rotterdam information figure sequence report erasmu success operations management order employee event quality consultation level sample series building expert review configuration statement goertz family companion interest decision model quantile replication response rates relationship researcher business unit interest strategy