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