A significant proportion of spreadsheets have severe quality problems.
Ayalew (2007)
The untested spreadsheet is as dangerous and untrustworthy as an untested program.
Price (2006)
It is irrational to expect large error-free spreadsheets.
Panko (2013)
Spreadsheets are easy to use and very hard to check.
Chen & Chan (2000)
Spreadsheet development must embrace extensive testing in order to be taken seriously as a profession.
Bock (2016)
Overconfidence is one of the most substantial causes of spreadsheet errors.
Sakal, et al (2015)
Spreadsheet errors have resulted in huge financial losses.
Abraham & Erwig (2007)
Developing an error-free spreadsheet has been a problem since the beginning of end-user computing.
Mireault (2015)
Despite overwhelming and unanimous evidence... companies have continued to ignore spreadsheet error risks.
Panko (2014)
Spreadsheets... pose a greater threat to your business than almost anything you can imagine.
Howard (2005)
The software that end users are creating... is riddled with errors.
Burnett & Myers (2014)
Spreadsheets are more fault-prone than other software.
Kulesz & Ostberg (2013)
Spreadsheet errors are pervasive, stubborn, ubiquitous and complex.
Irons (2003)
Every study that has looked for errors has found them... in considerable abundance.
Panko & Halverson (1996)
The quality and reliability of spreadsheets is known to be poor.
Bishop & McDaid (2007)
A lot of decisions are being made on the basis of some bad numbers.
Ross (1996)
Spreadsheets contain errors at an alarmingly high rate.
Abraham, et al (2005)
Most large spreadsheets have dozens or even hundreds of errors.
Panko & Ordway (2005)
Programmers exhibit unwarranted confidence in the correctness of their spreadsheets.
Krishna, et al (2001)
Spreadsheets are the most popular live programming environments, but they are also notoriously fault-prone.
Hermans & van der Storm (2015)
Errors in spreadsheets are as ubiquitous as spreadsheets themselves.
Colbenz (2005)
Spreadsheet errors are still the rule rather than the exception.
Nixon & O'Hara (2010)
Despite being staggeringly error prone, spreadsheets are a highly flexible programming environment.
Abreu, et al (2015)
Spreadsheet errors... a great, often unrecognised, risk to corporate decision making & financial integrity.
Chadwick (2002)
Spreadsheets are often hard, if not impossible, to understand.
Mireault & Gresham (2015)
Spreadsheet shortcomings can significantly hamper an organization's business operation.
Reschenhofer & Matthes (2015)
Untested spreadsheets are riddled with errors.
Miller (2005)
Studies have shown that there is a high incidence of errors in spreadsheets.
Csernoch & Biro (2013)
Spreadsheets are notoriously error-prone.
Cunha, et al (2011)
The issue is not whether there is an error but how many errors there are and how serious they are.
Panko (2007)
The results given by spreadsheets are often just wrong.
Sajaniemi (1998)
1% of all formulas in operational spreadsheets are in error.
Powell, Baker, & Lawson (2009)
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)
Errors in spreadsheets... result in incorrect decisions being made and significant losses incurred.
Beaman, et al (2005)
Spreadsheets are dangerous to their authors and others.
Durusau & Hunting (2015)
...few incidents of spreadsheet errors are made public and these are usually not revealed by choice.
Kruck & Sheetz (2001)
Most executives do not really check or verify the accuracy or validity of [their] spreadsheets...
Teo & Tan (1999)
Spreadsheets are alarmingly error-prone to write.
Paine (2001)
Every study, without exception, has found error rates much higher than organizations would wish to tolerate.
Panko (1999)
Research on spreadsheet errors is substantial, compelling, and unanimous.
Panko (2015)
Spreadsheets can be viewed as a highly flexible programming environment for end users.
Abreu, et al (2015)
People tend to believe their spreadsheets are more accurate than they really are.
Caulkins, Morrison, & Weidemann (2006)
Spreadsheets have a notoriously high number of faults.
Rust, et al (2006)
Spreadsheets are extraordinarily and unacceptably prone to error.
Dunn (2010)
Never assume a spreadsheet is right, even your own.
Raffensperger (2001)
It is now widely accepted that errors in spreadsheets are both common and potentially dangerous.
Nixon & O'Hara (2010)
94% of the 88 spreadsheets audited in 7 studies have contained errors.
Panko (2008)
Your spreadsheets may be disasters in the making.
Caulkins, Morrison, & Weidemann (2006)
60% of large companies feel 'Spreadsheet Hell' describes their reliance on spreadsheets.
Murphy (2007)
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