Özet:

Globally intensive competitive atmosphere increases the need of accurate and timely information that is required by the businesses in order to sustain their activities. Business management procures most parts of the ultimately important data while preparing both strategic and tactical plans, budgets and feasibility reports by the means of Management Information Systems (MIS). The aim of this study is to analyze the effects of MIS which are applied for resolving the problems of businesses, as a part of strategic planning and decision making processes. For this objective, a research related to the effects of MIS on strategic planning and decision making process in enterprises was conducted by using a scale of strategic planning and a scale of information systems. In this study; reliability test, factor analysis; Kolmogorov-Smirnov, Mann-Whitney U, and Kruskal-Wallis tests and multiple regression analyses were performed. In the scale of strategic planning; researches were done on the dimensions of strategic planning and decision, outer operations and strategic analysis for decision, production and cost, investment and institutional effectiveness. In the scale of information systems on the other hand; the dimensions of information systems, problem solving and decision, production/cost, investment and financing, and institutional effectiveness were examined for functional, strategic decision, outer operations and strategic analysis. Consequently; the use of MIS, including the functions of the businesses, has a significant effect on the strategic planning process for decision making, for the decisions on managing the production and cost, investment and financing except institutional effectiveness; however, excluding institutional effectiveness no significance on strategic decisions was determined.

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