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