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

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