Spreadsheets are more fault-prone than other software.
Kulesz & Ostberg (2013)
The issue is not whether there is an error but how many errors there are and how serious they are.
Panko (2007)
The quality and reliability of spreadsheets is known to be poor.
Bishop & McDaid (2007)
Despite being staggeringly error prone, spreadsheets are a highly flexible programming environment.
Abreu, et al (2015)
Spreadsheets are often hard, if not impossible, to understand.
Mireault & Gresham (2015)
Spreadsheets are dangerous to their authors and others.
Durusau & Hunting (2015)
Spreadsheets have a notoriously high number of faults.
Rust, et al (2006)
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)
Spreadsheet errors... a great, often unrecognised, risk to corporate decision making & financial integrity.
Chadwick (2002)
Every study, without exception, has found error rates much higher than organizations would wish to tolerate.
Panko (1999)
Spreadsheets... pose a greater threat to your business than almost anything you can imagine.
Howard (2005)
Spreadsheet shortcomings can significantly hamper an organization's business operation.
Reschenhofer & Matthes (2015)
...few incidents of spreadsheet errors are made public and these are usually not revealed by choice.
Kruck & Sheetz (2001)
A lot of decisions are being made on the basis of some bad numbers.
Ross (1996)
Overconfidence is one of the most substantial causes of spreadsheet errors.
Sakal, et al (2015)
Studies have shown that there is a high incidence of errors in spreadsheets.
Csernoch & Biro (2013)
Research on spreadsheet errors is substantial, compelling, and unanimous.
Panko (2015)
Spreadsheets are easy to use and very hard to check.
Chen & Chan (2000)
Spreadsheet errors have resulted in huge financial losses.
Abraham & Erwig (2007)
Spreadsheets are extraordinarily and unacceptably prone to error.
Dunn (2010)
The results given by spreadsheets are often just wrong.
Sajaniemi (1998)
People tend to believe their spreadsheets are more accurate than they really are.
Caulkins, Morrison, & Weidemann (2006)
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)
94% of the 88 spreadsheets audited in 7 studies have contained errors.
Panko (2008)
Even obvious, elementary errors in very simple, clearly documented spreadsheets are... difficult to find.
Galletta, et al (1993)
60% of large companies feel 'Spreadsheet Hell' describes their reliance on spreadsheets.
Murphy (2007)
The untested spreadsheet is as dangerous and untrustworthy as an untested program.
Price (2006)
Every study that has looked for errors has found them... in considerable abundance.
Panko & Halverson (1996)
Spreadsheets are alarmingly error-prone to write.
Paine (2001)
The software that end users are creating... is riddled with errors.
Burnett & Myers (2014)
Programmers exhibit unwarranted confidence in the correctness of their spreadsheets.
Krishna, et al (2001)
Your spreadsheets may be disasters in the making.
Caulkins, Morrison, & Weidemann (2006)
Spreadsheets can be viewed as a highly flexible programming environment for end users.
Abreu, et al (2015)
Spreadsheet errors are still the rule rather than the exception.
Nixon & O'Hara (2010)
Despite overwhelming and unanimous evidence... companies have continued to ignore spreadsheet error risks.
Panko (2014)
Spreadsheets are the most popular live programming environments, but they are also notoriously fault-prone.
Hermans & van der Storm (2015)
1% of all formulas in operational spreadsheets are in error.
Powell, Baker, & Lawson (2009)
Developing an error-free spreadsheet has been a problem since the beginning of end-user computing.
Mireault (2015)
Untested spreadsheets are riddled with errors.
Miller (2005)
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)
Errors in spreadsheets are as ubiquitous as spreadsheets themselves.
Colbenz (2005)
A significant proportion of spreadsheets have severe quality problems.
Ayalew (2007)
Spreadsheets contain errors at an alarmingly high rate.
Abraham, et al (2005)
Most large spreadsheets have dozens or even hundreds of errors.
Panko & Ordway (2005)
Most executives do not really check or verify the accuracy or validity of [their] spreadsheets...
Teo & Tan (1999)
Spreadsheet errors are pervasive, stubborn, ubiquitous and complex.
Irons (2003)
It is irrational to expect large error-free spreadsheets.
Panko (2013)
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