management information systems effectiveness and their impact on decision-making
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The International Conference on Business Organizations: opportunities, challenges, and horizons (ICBO2015)
ISSN: 2392-5272
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Management information systems Effectiveness and their impact on decision-making
"A field study in the Jordanian press institutions
"Mohammad rasoul" al-Nsour, Haitham Hamoud AlShibly, Tariq G. Abu Orabi
Abstract
This study aimed to identify the impact of management information systems effectiveness in
decision-making process in the Jordanian press institutions. Scale has been designed consisting of
five elements (user satisfaction, system use, appropriate, flexibility, information security). The
analytical descriptive method was used, and The study applied on four press institutions (alrai,
addustour, alarabalyawm, alghad). The study population consists of the decision makers in the
selected press institutions (260 individuals). And the study applied on a random sample of (180)
individuals by (69.2%) of the study .By using a questionnaire, However (126) questionnaires were
returned with a rate of (70%), which that study was carried out on them. The results of the study
include:
The respondents perception to the efficiency of (MIS) was high with a mean of (3.73). The respondents perception to the decision making process was medium with a mean (3.44). There is significant statistical impact of Managerial Information Systems effectiveness by elements
on decision making process.
There is no a statistical significant difference in the trends of the respondents on management
information systems effectiveness and decision-making process to demographic and functional
factors (gender, age, academic qualification, administrative level, job experience, job category).
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The International Conference on Business Organizations: opportunities, challenges, and horizons (ICBO2015)
ISSN: 2392-5272
( 2003 " " ) .
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:
Bani-Hani, Jehad S; Al-Ahmad, Nazem M. M; Alnajjar, Fayez J,(2009)," The impact Of Management Information Systems On Organizations Performance :Field Study At Jordanian
Universities "Review Of Business Research, Volume 9, Number 2, 2009.
Hayajneh, A. Yaseen et al (2006) "Extent of Use, Perceptions, and Knowledge of Hospital Information System by Staff Physicians" retrieved from
www.hayajneh.org/research/Extent_of_Use_.pdf on 10/11/2011.
Heidhues, Eva, Patel, Chris, " The Role of Accounting Information in Decision-Making Processes in a German Dairy Cooperative", (2008).
Supattra, Boonmak. " The Influence Of Management Information Systems And Information Technology On Management Performance And Satisfaction" , 7th Global Conference on Business
& Economics, (2007).
Branzei, R. ,S.Tijs and J.Timmer (2005), Collecting Information to Improve Decision-Making,Economic Research Vol.26, No.1 ,pp1-15 .
Turban,Effraim,Aronson,Jay nand Liang ,Ting peng,(2005),"Decision Support Systems and Intelligent System,Prentice_Hall",New Jersey.
loudon , k & loudon , j,(2000),management inforation systems,6th edition,prentice hall int,inc
Tong,j.and yap,c.(1996),information system effectivness,a users satisfaction approach information processing and management,32(5)601-610
Gordon, Judith R. & Gordon, Steven R., Information Systems: A Management Approach, 2
nd ed., New York: Harcourt Brace College publishers, The Dryden Press, 1999.
walker,admond (2006),financial leadership and investment,sanfrancisco-u.s.a,p250.
wright,Michal & rhods david,(2001)"manage it: exploiting information systems of effective management" ,praeger publishers:120
mcleod,Raymond jr,schell,george (2001), management information system,8th edition new jersey, prentice hall,inc
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)
The International Conference on Business Organizations: opportunities, challenges, and horizons (ICBO2015)
ISSN: 2392-5272
Myers , B. L. & et. al , (1998) , A Comprehensive Model For Assessing The Quality And Productivity Of The Information System Function : Towards A Contingency Theory For
Information System Assessment , Funded in part by the University of North Taxes Information Systems Research Center and the College of Business Administration .
Delone,W.H.,&Mclean.E.R.,(1992), Information Systems , Success , The quality for the dependent Variable , Information System Research , Vol.3,No.1.P65 .
Daft, Richard, L.(2000). Management (5th ed.).Orlando, Florida: Harcovert, Inc.,The Dryden Press.
Boddy,David,and Boonstra, Albert , and Kennedy, Graham,(2008), "Managing Information Systems", prentice Hall, Financial Times, international copy second edition.
O'Brie Jame ,(2002)," Management Information System Managing information Technology in the E-Business enterprise" McGraw Hill rwin Boston Fifth Edition .
Davies, H., Walters, M. (2000), "Do all crises have to become disasters?Risk and risk mitigation", Disaster Prevention and Management: An International Journal, Vol. 7 No.5, pp.396-400.
Delon , William. H.,& Mclean , Ephraim, R., (2002), Information systems success revisted, Proceedings of the 35
th Hawaii international conference on system science
Delone, W.H, & Mclean, E., (1992). Information system success: The Quest for the defendant variable, Information system research, V.3,N.1, PP.60-95.
Daft, R.L.,( 2001). Organization theory and design, 7th ed , south western college publishing, Ohio.
Davis , P.B., (2002), Information systems : and introduction to informatic in organization, 1
st.Ed. palgrave .
Robbins, S.P.( 2001), Organizational behavior, 4th,Ed, prentice-Hall, Inc, New Jersey.
Branzei, R. ,S.Tijs and J.Timmer (2005), Collecting Information to Improve Decision-Making,Economic Research Vol.26, No.1 ,pp1-15 .