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