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