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

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