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