Even obvious, elementary errors in very simple, clearly documented spreadsheets are... difficult to find.
Galletta, et al (1993)
The issue is not whether there is an error but how many errors there are and how serious they are.
Panko (2007)
Untested spreadsheets are riddled with errors.
Miller (2005)
Spreadsheets are often hard, if not impossible, to understand.
Mireault & Gresham (2015)
The software that end users are creating... is riddled with errors.
Burnett & Myers (2014)
Never assume a spreadsheet is right, even your own.
Raffensperger (2001)
Spreadsheets are notoriously error-prone.
Cunha, et al (2011)
The quality and reliability of spreadsheets is known to be poor.
Bishop & McDaid (2007)
Spreadsheets contain errors at an alarmingly high rate.
Abraham, et al (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)
Errors in spreadsheets are as ubiquitous as spreadsheets themselves.
Colbenz (2005)
Every study that has looked for errors has found them... in considerable abundance.
Panko & Halverson (1996)
...few incidents of spreadsheet errors are made public and these are usually not revealed by choice.
Kruck & Sheetz (2001)
94% of the 88 spreadsheets audited in 7 studies have contained errors.
Panko (2008)
Errors in spreadsheets... result in incorrect decisions being made and significant losses incurred.
Beaman, et al (2005)
Most executives do not really check or verify the accuracy or validity of [their] spreadsheets...
Teo & Tan (1999)
Spreadsheets are extraordinarily and unacceptably prone to error.
Dunn (2010)
People tend to believe their spreadsheets are more accurate than they really are.
Caulkins, Morrison, & Weidemann (2006)
Spreadsheet errors... a great, often unrecognised, risk to corporate decision making & financial integrity.
Chadwick (2002)
Spreadsheet errors have resulted in huge financial losses.
Abraham & Erwig (2007)
Spreadsheets are dangerous to their authors and others.
Durusau & Hunting (2015)
A significant proportion of spreadsheets have severe quality problems.
Ayalew (2007)
Spreadsheets have a notoriously high number of faults.
Rust, et al (2006)
Spreadsheet errors are still the rule rather than the exception.
Nixon & O'Hara (2010)
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)
Every study, without exception, has found error rates much higher than organizations would wish to tolerate.
Panko (1999)
Studies have shown that there is a high incidence of errors in spreadsheets.
Csernoch & Biro (2013)
Your spreadsheets may be disasters in the making.
Caulkins, Morrison, & Weidemann (2006)
Despite overwhelming and unanimous evidence... companies have continued to ignore spreadsheet error risks.
Panko (2014)
Spreadsheets are alarmingly error-prone to write.
Paine (2001)
Spreadsheets are easy to use and very hard to check.
Chen & Chan (2000)
1% of all formulas in operational spreadsheets are in error.
Powell, Baker, & Lawson (2009)
Spreadsheets can be viewed as a highly flexible programming environment for end users.
Abreu, et al (2015)
Spreadsheets are more fault-prone than other software.
Kulesz & Ostberg (2013)
Despite being staggeringly error prone, spreadsheets are a highly flexible programming environment.
Abreu, et al (2015)
Spreadsheet shortcomings can significantly hamper an organization's business operation.
Reschenhofer & Matthes (2015)
Research on spreadsheet errors is substantial, compelling, and unanimous.
Panko (2015)
Spreadsheet development must embrace extensive testing in order to be taken seriously as a profession.
Bock (2016)
Spreadsheets are commonly used and commonly flawed.
Caulkins, Morrison, & Weidemann (2008)
Overconfidence is one of the most substantial causes of spreadsheet errors.
Sakal, et al (2015)
Most large spreadsheets have dozens or even hundreds of errors.
Panko & Ordway (2005)
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)
It is irrational to expect large error-free spreadsheets.
Panko (2013)
Developing an error-free spreadsheet has been a problem since the beginning of end-user computing.
Mireault (2015)
The results given by spreadsheets are often just wrong.
Sajaniemi (1998)
Spreadsheets... pose a greater threat to your business than almost anything you can imagine.
Howard (2005)
Programmers exhibit unwarranted confidence in the correctness of their spreadsheets.
Krishna, et al (2001)
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