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

Spreadsheet bibliography

Title Only a matter of time before the spreadsheets hit the fan
Authors Robert Miller
Year 2005
Type Newspaper article
Publication The Telegraph
Series 30 June 2005
Abstract Inaccurate financial information is widespread and is putting businesses at risk.
Full version Available
Sample
Spreadsheets are ubiquitous and almost certainty contain errors

Even the simplest spreadsheet calculations in a company are not tested independently for accuracy and the probability of material error is way over 90pc.

"It's very worrying. Untested spreadsheets are riddled with errors very often because the incorrect formula has been entered in the first place."

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