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