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