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)
The untested spreadsheet is as dangerous and untrustworthy as an untested program.
Price (2006)
Spreadsheets are easy to use and very hard to check.
Chen & Chan (2000)
Spreadsheets are commonly used and commonly flawed.
Caulkins, Morrison, & Weidemann (2008)
Spreadsheets have a notoriously high number of faults.
Rust, et al (2006)
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)
The issue is not whether there is an error but how many errors there are and how serious they are.
Panko (2007)
Spreadsheet development must embrace extensive testing in order to be taken seriously as a profession.
Bock (2016)
The software that end users are creating... is riddled with errors.
Burnett & Myers (2014)
Despite being staggeringly error prone, spreadsheets are a highly flexible programming environment.
Abreu, et al (2015)
Every study that has looked for errors has found them... in considerable abundance.
Panko & Halverson (1996)
Spreadsheets are alarmingly error-prone to write.
Paine (2001)
Spreadsheets contain errors at an alarmingly high rate.
Abraham, et al (2005)
A lot of decisions are being made on the basis of some bad numbers.
Ross (1996)
Spreadsheets are the most popular live programming environments, but they are also notoriously fault-prone.
Hermans & van der Storm (2015)
Spreadsheets are notoriously error-prone.
Cunha, et al (2011)
Most large spreadsheets have dozens or even hundreds of errors.
Panko & Ordway (2005)
The results given by spreadsheets are often just wrong.
Sajaniemi (1998)
94% of the 88 spreadsheets audited in 7 studies have contained errors.
Panko (2008)
Programmers exhibit unwarranted confidence in the correctness of their spreadsheets.
Krishna, et al (2001)
Spreadsheet errors have resulted in huge financial losses.
Abraham & Erwig (2007)
Spreadsheets can be viewed as a highly flexible programming environment for end users.
Abreu, et al (2015)
Despite overwhelming and unanimous evidence... companies have continued to ignore spreadsheet error risks.
Panko (2014)
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)
A significant proportion of spreadsheets have severe quality problems.
Ayalew (2007)
Every study, without exception, has found error rates much higher than organizations would wish to tolerate.
Panko (1999)
Overconfidence is one of the most substantial causes of spreadsheet errors.
Sakal, et al (2015)
1% of all formulas in operational spreadsheets are in error.
Powell, Baker, & Lawson (2009)
Spreadsheet shortcomings can significantly hamper an organization's business operation.
Reschenhofer & Matthes (2015)
Spreadsheets are more fault-prone than other software.
Kulesz & Ostberg (2013)
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)
Studies have shown that there is a high incidence of errors in spreadsheets.
Csernoch & Biro (2013)
Errors in spreadsheets are as ubiquitous as spreadsheets themselves.
Colbenz (2005)
Never assume a spreadsheet is right, even your own.
Raffensperger (2001)
Spreadsheets are extraordinarily and unacceptably prone to error.
Dunn (2010)
Spreadsheet errors are still the rule rather than the exception.
Nixon & O'Hara (2010)
Most executives do not really check or verify the accuracy or validity of [their] spreadsheets...
Teo & Tan (1999)
It is now widely accepted that errors in spreadsheets are both common and potentially dangerous.
Nixon & O'Hara (2010)
Spreadsheets... pose a greater threat to your business than almost anything you can imagine.
Howard (2005)
Research on spreadsheet errors is substantial, compelling, and unanimous.
Panko (2015)
It is irrational to expect large error-free spreadsheets.
Panko (2013)
60% of large companies feel 'Spreadsheet Hell' describes their reliance on spreadsheets.
Murphy (2007)
Your spreadsheets may be disasters in the making.
Caulkins, Morrison, & Weidemann (2006)
Errors in spreadsheets... result in incorrect decisions being made and significant losses incurred.
Beaman, et al (2005)
Spreadsheets are often hard, if not impossible, to understand.
Mireault & Gresham (2015)
Spreadsheets are dangerous to their authors and others.
Durusau & Hunting (2015)
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