The results given by spreadsheets are often just wrong.
Sajaniemi (1998)
The quality and reliability of spreadsheets is known to be poor.
Bishop & McDaid (2007)
Most large spreadsheets have dozens or even hundreds of errors.
Panko & Ordway (2005)
Overconfidence is one of the most substantial causes of spreadsheet errors.
Sakal, et al (2015)
A lot of decisions are being made on the basis of some bad numbers.
Ross (1996)
The issue is not whether there is an error but how many errors there are and how serious they are.
Panko (2007)
Spreadsheets are easy to use and very hard to check.
Chen & Chan (2000)
Untested spreadsheets are riddled with errors.
Miller (2005)
Even obvious, elementary errors in very simple, clearly documented spreadsheets are... difficult to find.
Galletta, et al (1993)
Spreadsheet shortcomings can significantly hamper an organization's business operation.
Reschenhofer & Matthes (2015)
It is now widely accepted that errors in spreadsheets are both common and potentially dangerous.
Nixon & O'Hara (2010)
Developing an error-free spreadsheet has been a problem since the beginning of end-user computing.
Mireault (2015)
Spreadsheets are dangerous to their authors and others.
Durusau & Hunting (2015)
Spreadsheets are notoriously error-prone.
Cunha, et al (2011)
...few incidents of spreadsheet errors are made public and these are usually not revealed by choice.
Kruck & Sheetz (2001)
Spreadsheets are often hard, if not impossible, to understand.
Mireault & Gresham (2015)
94% of the 88 spreadsheets audited in 7 studies have contained errors.
Panko (2008)
Every study, without exception, has found error rates much higher than organizations would wish to tolerate.
Panko (1999)
Spreadsheets can be viewed as a highly flexible programming environment for end users.
Abreu, et al (2015)
Spreadsheets are alarmingly error-prone to write.
Paine (2001)
People tend to believe their spreadsheets are more accurate than they really are.
Caulkins, Morrison, & Weidemann (2006)
Spreadsheets contain errors at an alarmingly high rate.
Abraham, et al (2005)
Programmers exhibit unwarranted confidence in the correctness of their spreadsheets.
Krishna, et al (2001)
Spreadsheet errors are pervasive, stubborn, ubiquitous and complex.
Irons (2003)
The untested spreadsheet is as dangerous and untrustworthy as an untested program.
Price (2006)
Spreadsheets have a notoriously high number of faults.
Rust, et al (2006)
Despite being staggeringly error prone, spreadsheets are a highly flexible programming environment.
Abreu, et al (2015)
Most executives do not really check or verify the accuracy or validity of [their] spreadsheets...
Teo & Tan (1999)
Never assume a spreadsheet is right, even your own.
Raffensperger (2001)
Despite overwhelming and unanimous evidence... companies have continued to ignore spreadsheet error risks.
Panko (2014)
Spreadsheets are commonly used and commonly flawed.
Caulkins, Morrison, & Weidemann (2008)
Spreadsheet errors have resulted in huge financial losses.
Abraham & Erwig (2007)
60% of large companies feel 'Spreadsheet Hell' describes their reliance on spreadsheets.
Murphy (2007)
It is irrational to expect large error-free spreadsheets.
Panko (2013)
Spreadsheet errors... a great, often unrecognised, risk to corporate decision making & financial integrity.
Chadwick (2002)
Every study that has looked for errors has found them... in considerable abundance.
Panko & Halverson (1996)
Studies have shown that there is a high incidence of errors in spreadsheets.
Csernoch & Biro (2013)
Spreadsheets are extraordinarily and unacceptably prone to error.
Dunn (2010)
The software that end users are creating... is riddled with errors.
Burnett & Myers (2014)
Research on spreadsheet errors is substantial, compelling, and unanimous.
Panko (2015)
Your spreadsheets may be disasters in the making.
Caulkins, Morrison, & Weidemann (2006)
Spreadsheets are more fault-prone than other software.
Kulesz & Ostberg (2013)
A significant proportion of spreadsheets have severe quality problems.
Ayalew (2007)
Spreadsheet errors are still the rule rather than the exception.
Nixon & O'Hara (2010)
Errors in spreadsheets are as ubiquitous as spreadsheets themselves.
Colbenz (2005)
Spreadsheets... pose a greater threat to your business than almost anything you can imagine.
Howard (2005)
Spreadsheets are the most popular live programming environments, but they are also notoriously fault-prone.
Hermans & van der Storm (2015)
Errors in spreadsheets... result in incorrect decisions being made and significant losses incurred.
Beaman, et al (2005)
1% of all formulas in operational spreadsheets are in error.
Powell, Baker, & Lawson (2009)
Spreadsheet development must embrace extensive testing in order to be taken seriously as a profession.
Bock (2016)

Spreadsheet bibliography

Title Spreadsheet hell
Authors Simon Murphy
Year 2007
Type Proceedings
Publication EuSpRIG
Series  
Abstract

This management paper looks at the real world issues faced by practitioners managing spreadsheets through the production phase of their life cycle.

It draws on the commercial experience of several developers working with large corporations, either as employees or consultants or contractors. It provides commercial examples of some of the practicalities involved with spreadsheet use around the enterprise.

Full version Available
Sample
Spreadsheet management

Ideally a program of spreadsheet management would include:

  • Policies on when to use, and when not to use, spreadsheets.
  • Procedures for safe and effective development of valuable spreadsheets.
  • Features to use and those to avoid, with justifications.
  • Adequate training and coaching appropriate to job role.
  • Procedures and policies for managing the modification of live systems.
  • Policies for safely archiving retired spreadsheets.
  • Full consideration of all aspects of the systems life cycle.
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