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