Business Processes

Berry and Mclintock
recommended business model: understand - know about the organisation i.e. business environment and problem definitions. Model Form - set of equations based on basic understanding already achieved. Model structure - put values and parameters in
1 of 11
Powell et al 2008
types of error, impacts of error and frequency of errors
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Galetta et al 1993
domain errors (error in application area i.e. understanding depreciation) and device errors (error in actual spreadsheet technology i.e. wrong reference)
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Saarliouma and Sajaniemi 1994
location errors (conceptually correct formula but wrong referencing) and formula errors (misuse of operators)
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Panko and Anderson 1996
qualitative errors - dont lead to incorrect numbers but risk practice (parameters in formula) and quantitative - omission (misunderstanding situation), logic (wrong function chosen) and mechanical (typing mistake)
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Flack and Lynn
frequ. 64% companies rely on SSl high operating risk especially with penalties for poor control (hard to audit, output not integrated with sources, non-standard output and doesnt comply with SOX)
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Randles
frequ. ** displays results but gives no context of data, 40-80% of ** have errors, developers miss over 80% of their mistakes. electronic calculation worksheets are better.
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Howcroft
frequ. and accountants as model builders
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Ballentine 1991
advantages and disadvantages of Spreadsheets
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Leech 2002
arguing against SOX
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Klamm and Weidenmier 2004
"business processes are collections of activities that combine different inputs to create output that is of value to the customer"
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Card 2

Front

types of error, impacts of error and frequency of errors

Back

Powell et al 2008

Card 3

Front

domain errors (error in application area i.e. understanding depreciation) and device errors (error in actual spreadsheet technology i.e. wrong reference)

Back

Preview of the back of card 3

Card 4

Front

location errors (conceptually correct formula but wrong referencing) and formula errors (misuse of operators)

Back

Preview of the back of card 4

Card 5

Front

qualitative errors - dont lead to incorrect numbers but risk practice (parameters in formula) and quantitative - omission (misunderstanding situation), logic (wrong function chosen) and mechanical (typing mistake)

Back

Preview of the back of card 5
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