Spreadsheets are often hard, if not impossible, to understand.
Mireault & Gresham (2015)
Studies have shown that there is a high incidence of errors in spreadsheets.
Csernoch & Biro (2013)
Spreadsheets are the most popular live programming environments, but they are also notoriously fault-prone.
Hermans & van der Storm (2015)
Spreadsheets are dangerous to their authors and others.
Durusau & Hunting (2015)
Never assume a spreadsheet is right, even your own.
Raffensperger (2001)
Spreadsheet shortcomings can significantly hamper an organization's business operation.
Reschenhofer & Matthes (2015)
People tend to believe their spreadsheets are more accurate than they really are.
Caulkins, Morrison, & Weidemann (2006)
Overconfidence is one of the most substantial causes of spreadsheet errors.
Sakal, et al (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 extraordinarily and unacceptably prone to error.
Dunn (2010)
Spreadsheets are commonly used and commonly flawed.
Caulkins, Morrison, & Weidemann (2008)
Research on spreadsheet errors is substantial, compelling, and unanimous.
Panko (2015)
Untested spreadsheets are riddled with errors.
Miller (2005)
60% of large companies feel 'Spreadsheet Hell' describes their reliance on spreadsheets.
Murphy (2007)
The results given by spreadsheets are often just wrong.
Sajaniemi (1998)
Spreadsheets are alarmingly error-prone to write.
Paine (2001)
Spreadsheet errors have resulted in huge financial losses.
Abraham & Erwig (2007)
Spreadsheets are notoriously error-prone.
Cunha, et al (2011)
94% of the 88 spreadsheets audited in 7 studies have contained errors.
Panko (2008)
Even obvious, elementary errors in very simple, clearly documented spreadsheets are... difficult to find.
Galletta, et al (1993)
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)
Spreadsheet errors... a great, often unrecognised, risk to corporate decision making & financial integrity.
Chadwick (2002)
Spreadsheet errors are pervasive, stubborn, ubiquitous and complex.
Irons (2003)
Spreadsheets contain errors at an alarmingly high rate.
Abraham, et al (2005)
Programmers exhibit unwarranted confidence in the correctness of their spreadsheets.
Krishna, et al (2001)
Every study, without exception, has found error rates much higher than organizations would wish to tolerate.
Panko (1999)
It is irrational to expect large error-free spreadsheets.
Panko (2013)
Spreadsheets are easy to use and very hard to check.
Chen & Chan (2000)
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)
A significant proportion of spreadsheets have severe quality problems.
Ayalew (2007)
Despite overwhelming and unanimous evidence... companies have continued to ignore spreadsheet error risks.
Panko (2014)
Spreadsheet development must embrace extensive testing in order to be taken seriously as a profession.
Bock (2016)
Your spreadsheets may be disasters in the making.
Caulkins, Morrison, & Weidemann (2006)
Spreadsheet errors are still the rule rather than the exception.
Nixon & O'Hara (2010)
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)
Spreadsheets... pose a greater threat to your business than almost anything you can imagine.
Howard (2005)
...few incidents of spreadsheet errors are made public and these are usually not revealed by choice.
Kruck & Sheetz (2001)
It is now widely accepted that errors in spreadsheets are both common and potentially dangerous.
Nixon & O'Hara (2010)
The software that end users are creating... is riddled with errors.
Burnett & Myers (2014)
The quality and reliability of spreadsheets is known to be poor.
Bishop & McDaid (2007)
Errors in spreadsheets are as ubiquitous as spreadsheets themselves.
Colbenz (2005)
Most executives do not really check or verify the accuracy or validity of [their] spreadsheets...
Teo & Tan (1999)
The untested spreadsheet is as dangerous and untrustworthy as an untested program.
Price (2006)
1% of all formulas in operational spreadsheets are in error.
Powell, Baker, & Lawson (2009)
Developing an error-free spreadsheet has been a problem since the beginning of end-user computing.
Mireault (2015)
Errors in spreadsheets... result in incorrect decisions being made and significant losses incurred.
Beaman, et al (2005)
A lot of decisions are being made on the basis of some bad numbers.
Ross (1996)
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