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