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