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Article: The effects of group decision support systems and task structures on group communication and decision quality

TitleThe effects of group decision support systems and task structures on group communication and decision quality
Authors
KeywordsDecision tasks and processes
Group decision quality
Group decision support systems
Issue Date1996
PublisherME Sharpe, Inc. The Journal's web site is located at http://www.mesharpe.com/mall/results1.asp?ACR=MIS
Citation
Journal Of Management Information Systems, 1996, v. 13 n. 4, p. 193-215 How to Cite?
AbstractThis research examines whether structures of decision tasks moderate the effects of group decision support systems (GDSS) on patterns of group communication and decision quality of decision-making groups. It seeks to show that the effects of GDSS on decision-making processes and outcomes are task-structure-dependent, and the effects of GDSS cannot be evaluated on the basis of outcomes alone; decision processes must also be evaluated in order to understand how decisions are made and why GDSS can improve group outcomes in some situations but provide negative effects in others. A controlled laboratory experiment was conducted with a 2×3 factorial between-subjects design, manipulating two independent variables: levels of support (GDSS support and no support) and task structures (additive, disjunctive, and conjunctive). Practicing managers were chosen as subjects. The discussion records of the decision-making process were coded using a coding scheme. These communication patterns formed the first dependent variables. Another dependent variable was decision quality. The results support the hypothesis that the structures of a decision task moderate the effects of GDSS on both the patterns of group communication and the decision quality of a decision-making group. GDSS significantly improve decision quality in disjunctive and conjunctive tasks. GDSS also significantly alter patterns of group communication in disjunctive and conjunctive tasks. However, no significant differences in decision quality and patterns of group communication exist between groups using GDSS and face-to-face groups in additive tasks.
Persistent Identifierhttp://hdl.handle.net/10722/85771
ISSN
2015 Impact Factor: 3.025
2015 SCImago Journal Rankings: 3.036
References

 

DC FieldValueLanguage
dc.contributor.authorLam, SSKen_HK
dc.date.accessioned2010-09-06T09:09:04Z-
dc.date.available2010-09-06T09:09:04Z-
dc.date.issued1996en_HK
dc.identifier.citationJournal Of Management Information Systems, 1996, v. 13 n. 4, p. 193-215en_HK
dc.identifier.issn0742-1222en_HK
dc.identifier.urihttp://hdl.handle.net/10722/85771-
dc.description.abstractThis research examines whether structures of decision tasks moderate the effects of group decision support systems (GDSS) on patterns of group communication and decision quality of decision-making groups. It seeks to show that the effects of GDSS on decision-making processes and outcomes are task-structure-dependent, and the effects of GDSS cannot be evaluated on the basis of outcomes alone; decision processes must also be evaluated in order to understand how decisions are made and why GDSS can improve group outcomes in some situations but provide negative effects in others. A controlled laboratory experiment was conducted with a 2×3 factorial between-subjects design, manipulating two independent variables: levels of support (GDSS support and no support) and task structures (additive, disjunctive, and conjunctive). Practicing managers were chosen as subjects. The discussion records of the decision-making process were coded using a coding scheme. These communication patterns formed the first dependent variables. Another dependent variable was decision quality. The results support the hypothesis that the structures of a decision task moderate the effects of GDSS on both the patterns of group communication and the decision quality of a decision-making group. GDSS significantly improve decision quality in disjunctive and conjunctive tasks. GDSS also significantly alter patterns of group communication in disjunctive and conjunctive tasks. However, no significant differences in decision quality and patterns of group communication exist between groups using GDSS and face-to-face groups in additive tasks.en_HK
dc.languageengen_HK
dc.publisherME Sharpe, Inc. The Journal's web site is located at http://www.mesharpe.com/mall/results1.asp?ACR=MISen_HK
dc.relation.ispartofJournal of Management Information Systemsen_HK
dc.subjectDecision tasks and processesen_HK
dc.subjectGroup decision qualityen_HK
dc.subjectGroup decision support systemsen_HK
dc.titleThe effects of group decision support systems and task structures on group communication and decision qualityen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0742-1222&volume=13&issue=4&spage=193&epage=215&date=1997&atitle=The+Effects+of+Group+Decision+Support+Systems+and+Task+Structures+on+Group+Communication+and+Decision+Qualityen_HK
dc.identifier.emailLam, SSK: simonlam@hku.hken_HK
dc.identifier.authorityLam, SSK=rp01071en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-0031288389en_HK
dc.identifier.hkuros26712en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0031288389&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume13en_HK
dc.identifier.issue4en_HK
dc.identifier.spage193en_HK
dc.identifier.epage215en_HK
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridLam, SSK=35218940100en_HK

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