Studies have shown that there is a high incidence of errors in spreadsheets.
Csernoch & Biro (2013)
The quality and reliability of spreadsheets is known to be poor.
Bishop & McDaid (2007)
Despite overwhelming and unanimous evidence... companies have continued to ignore spreadsheet error risks.
Panko (2014)
Spreadsheet shortcomings can significantly hamper an organization's business operation.
Reschenhofer & Matthes (2015)
The issue is not whether there is an error but how many errors there are and how serious they are.
Panko (2007)
Spreadsheets are the most popular live programming environments, but they are also notoriously fault-prone.
Hermans & van der Storm (2015)
Never assume a spreadsheet is right, even your own.
Raffensperger (2001)
People tend to believe their spreadsheets are more accurate than they really are.
Caulkins, Morrison, & Weidemann (2006)
Your spreadsheets may be disasters in the making.
Caulkins, Morrison, & Weidemann (2006)
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)
Errors in spreadsheets... result in incorrect decisions being made and significant losses incurred.
Beaman, et al (2005)
Spreadsheet development must embrace extensive testing in order to be taken seriously as a profession.
Bock (2016)
Spreadsheet errors have resulted in huge financial losses.
Abraham & Erwig (2007)
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)
Every study, without exception, has found error rates much higher than organizations would wish to tolerate.
Panko (1999)
Untested spreadsheets are riddled with errors.
Miller (2005)
A significant proportion of spreadsheets have severe quality problems.
Ayalew (2007)
...few incidents of spreadsheet errors are made public and these are usually not revealed by choice.
Kruck & Sheetz (2001)
Spreadsheet errors... a great, often unrecognised, risk to corporate decision making & financial integrity.
Chadwick (2002)
The software that end users are creating... is riddled with errors.
Burnett & Myers (2014)
A lot of decisions are being made on the basis of some bad numbers.
Ross (1996)
Research on spreadsheet errors is substantial, compelling, and unanimous.
Panko (2015)
Developing an error-free spreadsheet has been a problem since the beginning of end-user computing.
Mireault (2015)
Most executives do not really check or verify the accuracy or validity of [their] spreadsheets...
Teo & Tan (1999)
Spreadsheet errors are pervasive, stubborn, ubiquitous and complex.
Irons (2003)
Spreadsheets are often hard, if not impossible, to understand.
Mireault & Gresham (2015)
60% of large companies feel 'Spreadsheet Hell' describes their reliance on spreadsheets.
Murphy (2007)
It is irrational to expect large error-free spreadsheets.
Panko (2013)
It is now widely accepted that errors in spreadsheets are both common and potentially dangerous.
Nixon & O'Hara (2010)
Spreadsheets are commonly used and commonly flawed.
Caulkins, Morrison, & Weidemann (2008)
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)
Programmers exhibit unwarranted confidence in the correctness of their spreadsheets.
Krishna, et al (2001)
Spreadsheets are alarmingly error-prone to write.
Paine (2001)
Spreadsheets are notoriously error-prone.
Cunha, et al (2011)
Spreadsheets contain errors at an alarmingly high rate.
Abraham, et al (2005)
Spreadsheets are extraordinarily and unacceptably prone to error.
Dunn (2010)
Spreadsheets have a notoriously high number of faults.
Rust, et al (2006)
Overconfidence is one of the most substantial causes of spreadsheet errors.
Sakal, et al (2015)
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)
Most large spreadsheets have dozens or even hundreds of errors.
Panko & Ordway (2005)
Every study that has looked for errors has found them... in considerable abundance.
Panko & Halverson (1996)
Spreadsheet errors are still the rule rather than the exception.
Nixon & O'Hara (2010)
94% of the 88 spreadsheets audited in 7 studies have contained errors.
Panko (2008)
Spreadsheets are dangerous to their authors and others.
Durusau & Hunting (2015)
1% of all formulas in operational spreadsheets are in error.
Powell, Baker, & Lawson (2009)
Spreadsheets... pose a greater threat to your business than almost anything you can imagine.
Howard (2005)
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