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