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

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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