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