Untested spreadsheets are riddled with errors.
Miller (2005)
Spreadsheets are notoriously error-prone.
Cunha, et al (2011)
1% of all formulas in operational spreadsheets are in error.
Powell, Baker, & Lawson (2009)
The quality and reliability of spreadsheets is known to be poor.
Bishop & McDaid (2007)
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)
Developing an error-free spreadsheet has been a problem since the beginning of end-user computing.
Mireault (2015)
A significant proportion of spreadsheets have severe quality problems.
Ayalew (2007)
Spreadsheets are more fault-prone than other software.
Kulesz & Ostberg (2013)
Errors in spreadsheets are as ubiquitous as spreadsheets themselves.
Colbenz (2005)
Spreadsheet errors... a great, often unrecognised, risk to corporate decision making & financial integrity.
Chadwick (2002)
Spreadsheet errors have resulted in huge financial losses.
Abraham & Erwig (2007)
Studies have shown that there is a high incidence of errors in spreadsheets.
Csernoch & Biro (2013)
Every study, without exception, has found error rates much higher than organizations would wish to tolerate.
Panko (1999)
Spreadsheet errors are still the rule rather than the exception.
Nixon & O'Hara (2010)
Most executives do not really check or verify the accuracy or validity of [their] spreadsheets...
Teo & Tan (1999)
94% of the 88 spreadsheets audited in 7 studies have contained errors.
Panko (2008)
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)
Spreadsheets are extraordinarily and unacceptably prone to error.
Dunn (2010)
Even obvious, elementary errors in very simple, clearly documented spreadsheets are... difficult to find.
Galletta, et al (1993)
Never assume a spreadsheet is right, even your own.
Raffensperger (2001)
Your spreadsheets may be disasters in the making.
Caulkins, Morrison, & Weidemann (2006)
Spreadsheet shortcomings can significantly hamper an organization's business operation.
Reschenhofer & Matthes (2015)
The untested spreadsheet is as dangerous and untrustworthy as an untested program.
Price (2006)
Spreadsheets are easy to use and very hard to check.
Chen & Chan (2000)
It is irrational to expect large error-free spreadsheets.
Panko (2013)
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)
It is now widely accepted that errors in spreadsheets are both common and potentially dangerous.
Nixon & O'Hara (2010)
Every study that has looked for errors has found them... in considerable abundance.
Panko & Halverson (1996)
Research on spreadsheet errors is substantial, compelling, and unanimous.
Panko (2015)
Spreadsheets contain errors at an alarmingly high rate.
Abraham, et al (2005)
The software that end users are creating... is riddled with errors.
Burnett & Myers (2014)
Spreadsheet development must embrace extensive testing in order to be taken seriously as a profession.
Bock (2016)
Spreadsheets can be viewed as a highly flexible programming environment for end users.
Abreu, et al (2015)
People tend to believe their spreadsheets are more accurate than they really are.
Caulkins, Morrison, & Weidemann (2006)
Spreadsheets are dangerous to their authors and others.
Durusau & Hunting (2015)
Spreadsheets are alarmingly error-prone to write.
Paine (2001)
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)
Overconfidence is one of the most substantial causes of spreadsheet errors.
Sakal, et al (2015)
The results given by spreadsheets are often just wrong.
Sajaniemi (1998)
A lot of decisions are being made on the basis of some bad numbers.
Ross (1996)
Spreadsheets are often hard, if not impossible, to understand.
Mireault & Gresham (2015)
...few incidents of spreadsheet errors are made public and these are usually not revealed by choice.
Kruck & Sheetz (2001)
Despite being staggeringly error prone, spreadsheets are a highly flexible programming environment.
Abreu, et al (2015)
Spreadsheets... pose a greater threat to your business than almost anything you can imagine.
Howard (2005)
60% of large companies feel 'Spreadsheet Hell' describes their reliance on spreadsheets.
Murphy (2007)
Spreadsheet errors are pervasive, stubborn, ubiquitous and complex.
Irons (2003)
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