Spreadsheets are alarmingly error-prone to write.
Paine (2001)
Spreadsheets are often hard, if not impossible, to understand.
Mireault & Gresham (2015)
Spreadsheet development must embrace extensive testing in order to be taken seriously as a profession.
Bock (2016)
It is irrational to expect large error-free spreadsheets.
Panko (2013)
It is now widely accepted that errors in spreadsheets are both common and potentially dangerous.
Nixon & O'Hara (2010)
Spreadsheets have a notoriously high number of faults.
Rust, et al (2006)
Spreadsheets are extraordinarily and unacceptably prone to error.
Dunn (2010)
Most executives do not really check or verify the accuracy or validity of [their] spreadsheets...
Teo & Tan (1999)
Spreadsheets can be viewed as a highly flexible programming environment for end users.
Abreu, et al (2015)
Spreadsheets are commonly used and commonly flawed.
Caulkins, Morrison, & Weidemann (2008)
Spreadsheets are more fault-prone than other software.
Kulesz & Ostberg (2013)
Spreadsheets are easy to use and very hard to check.
Chen & Chan (2000)
Programmers exhibit unwarranted confidence in the correctness of their spreadsheets.
Krishna, et al (2001)
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)
Errors in spreadsheets are as ubiquitous as spreadsheets themselves.
Colbenz (2005)
Developing an error-free spreadsheet has been a problem since the beginning of end-user computing.
Mireault (2015)
Spreadsheet errors are still the rule rather than the exception.
Nixon & O'Hara (2010)
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)
Spreadsheets contain errors at an alarmingly high rate.
Abraham, et al (2005)
Research on spreadsheet errors is substantial, compelling, and unanimous.
Panko (2015)
The issue is not whether there is an error but how many errors there are and how serious they are.
Panko (2007)
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)
Every study that has looked for errors has found them... in considerable abundance.
Panko & Halverson (1996)
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)
A significant proportion of spreadsheets have severe quality problems.
Ayalew (2007)
People tend to believe their spreadsheets are more accurate than they really are.
Caulkins, Morrison, & Weidemann (2006)
Your spreadsheets may be disasters in the making.
Caulkins, Morrison, & Weidemann (2006)
Spreadsheets are dangerous to their authors and others.
Durusau & Hunting (2015)
Spreadsheet shortcomings can significantly hamper an organization's business operation.
Reschenhofer & Matthes (2015)
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)
Despite overwhelming and unanimous evidence... companies have continued to ignore spreadsheet error risks.
Panko (2014)
Spreadsheets are notoriously error-prone.
Cunha, et al (2011)
Spreadsheets are the most popular live programming environments, but they are also notoriously fault-prone.
Hermans & van der Storm (2015)
Spreadsheet errors are pervasive, stubborn, ubiquitous and complex.
Irons (2003)
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)
The software that end users are creating... is riddled with errors.
Burnett & Myers (2014)
Untested spreadsheets are riddled with errors.
Miller (2005)
94% of the 88 spreadsheets audited in 7 studies have contained errors.
Panko (2008)
Spreadsheet errors have resulted in huge financial losses.
Abraham & Erwig (2007)
1% of all formulas in operational spreadsheets are in error.
Powell, Baker, & Lawson (2009)
Even obvious, elementary errors in very simple, clearly documented spreadsheets are... difficult to find.
Galletta, et al (1993)
Despite being staggeringly error prone, spreadsheets are a highly flexible programming environment.
Abreu, et al (2015)
Never assume a spreadsheet is right, even your own.
Raffensperger (2001)
The quality and reliability of spreadsheets is known to be poor.
Bishop & McDaid (2007)
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