Information Technology Reference
In-Depth Information
Table 1. The four dimensions and items used to measure each dimension
Dimensions
Items
Type of scale
Volume (four items)
Degree of ERP users (Number of current ERP users / Maximum number of
potential ERP users.
%
ERP share of all computer based information system
%
ERP support of primary business processes (sales/marketing/production/ser-
vice)
%
ERP support of secondary business processes (procurement, R&D, HR,
finance)
%
Breadth (two items)
Share of business processes that uses master data
%
Degree of internal business processes integrated through the ERP
%
Degree of business processes integrated with external partners
%
Diversity (eight items)
To the extent the following processes are supported (Sales, Marketing, Produc-
tion, Service, Procurement, R&D, HR, Finance) by the ERP
Likert
Depth (three items)
To what extent is ERP used at the following hierarchical levels: (Strategic-,
Tactical-, Operational level)
Likert
Benefits (five items)
Operational benefits, managerial benefits, strategic benefits, IT infrastructural
benefits, and organizational benefits
Likert
Figure 1. Research model
From this, the following propositions are given:
Proposition 1b: Increase measured as
Breadth related to ERP systems utiliza-
tion means an increase in “Perceived Net
Benefits” from ERP usage.
Proposition 1a: Increase measured as
Volume related to ERP systems utiliza-
tion means an increase in “Perceived Net
Benefits” from ERP usage.
Proposition 1c: Increase measured as
Diversity related to ERP systems utiliza-
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