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