Overconfidence is one of the most substantial causes of spreadsheet errors.
Sakal, et al (2015)
The untested spreadsheet is as dangerous and untrustworthy as an untested program.
Price (2006)
Errors in spreadsheets are as ubiquitous as spreadsheets themselves.
Colbenz (2005)
The quality and reliability of spreadsheets is known to be poor.
Bishop & McDaid (2007)
The software that end users are creating... is riddled with errors.
Burnett & Myers (2014)
...few incidents of spreadsheet errors are made public and these are usually not revealed by choice.
Kruck & Sheetz (2001)
Errors in spreadsheets... result in incorrect decisions being made and significant losses incurred.
Beaman, et al (2005)
Research on spreadsheet errors is substantial, compelling, and unanimous.
Panko (2015)
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)
Spreadsheets are alarmingly error-prone to write.
Paine (2001)
Spreadsheet errors... a great, often unrecognised, risk to corporate decision making & financial integrity.
Chadwick (2002)
Spreadsheets... pose a greater threat to your business than almost anything you can imagine.
Howard (2005)
It is now widely accepted that errors in spreadsheets are both common and potentially dangerous.
Nixon & O'Hara (2010)
Spreadsheets are the most popular live programming environments, but they are also notoriously fault-prone.
Hermans & van der Storm (2015)
Spreadsheets are dangerous to their authors and others.
Durusau & Hunting (2015)
A significant proportion of spreadsheets have severe quality problems.
Ayalew (2007)
Spreadsheets are often hard, if not impossible, to understand.
Mireault & Gresham (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)
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)
People tend to believe their spreadsheets are more accurate than they really are.
Caulkins, Morrison, & Weidemann (2006)
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 contain errors at an alarmingly high rate.
Abraham, et al (2005)
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)
94% of the 88 spreadsheets audited in 7 studies have contained errors.
Panko (2008)
Spreadsheets are commonly used and commonly flawed.
Caulkins, Morrison, & Weidemann (2008)
The issue is not whether there is an error but how many errors there are and how serious they are.
Panko (2007)
Spreadsheets are easy to use and very hard to check.
Chen & Chan (2000)
Despite being staggeringly error prone, spreadsheets are a highly flexible programming environment.
Abreu, et al (2015)
Spreadsheets are notoriously error-prone.
Cunha, et al (2011)
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)
Programmers exhibit unwarranted confidence in the correctness of their spreadsheets.
Krishna, et al (2001)
Spreadsheet errors are still the rule rather than the exception.
Nixon & O'Hara (2010)
Spreadsheet errors are pervasive, stubborn, ubiquitous and complex.
Irons (2003)
It is irrational to expect large error-free spreadsheets.
Panko (2013)
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)
Spreadsheets are more fault-prone than other software.
Kulesz & Ostberg (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)
Never assume a spreadsheet is right, even your own.
Raffensperger (2001)
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)
Developing an error-free spreadsheet has been a problem since the beginning of end-user computing.
Mireault (2015)
Spreadsheet development must embrace extensive testing in order to be taken seriously as a profession.
Bock (2016)
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