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