Krishna, et al (2001)Programmers exhibit unwarranted confidence in the correctness of their spreadsheets.
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.
Price (2006)The untested spreadsheet is as dangerous and untrustworthy as an untested program.
Cunha, et al (2011)Spreadsheets are notoriously error-prone.
Murphy (2007)60% of large companies feel 'Spreadsheet Hell' describes their reliance on spreadsheets.
Teo & Tan (1999)Most executives do not really check or verify the accuracy or validity of [their] spreadsheets...
Sakal, et al (2015)Overconfidence is one of the most substantial causes of spreadsheet errors.
Rust, et al (2006)Spreadsheets have a notoriously high number of faults.
Hermans & van der Storm (2015)Spreadsheets are the most popular live programming environments, but they are also notoriously fault-prone.
Chen & Chan (2000)Spreadsheets are easy to use and very hard to check.
Ross (1996)A lot of decisions are being made on the basis of some bad numbers.
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.
Mireault & Gresham (2015)Spreadsheets are often hard, if not impossible, to understand.
Durusau & Hunting (2015)Spreadsheets are dangerous to their authors and others.
Galletta, et al (1993)Even obvious, elementary errors in very simple, clearly documented spreadsheets are... difficult to find.
Paine (2001)Spreadsheets are alarmingly error-prone to write.
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.
Burnett & Myers (2014)The software that end users are creating... is riddled with errors.
Abreu, et al (2015)Spreadsheets can be viewed as a highly flexible programming environment for end users.
Kulesz & Ostberg (2013)Spreadsheets are more fault-prone than other software.
Abraham & Erwig (2007)Spreadsheet errors have resulted in huge financial losses.
Caulkins, Morrison, & Weidemann (2006)People tend to believe their spreadsheets are more accurate than they really are.
Panko & Halverson (1996)Every study that has looked for errors has found them... in considerable abundance.
Mireault (2015)Developing an error-free spreadsheet has been a problem since the beginning of end-user computing.
Irons (2003)Spreadsheet errors are pervasive, stubborn, ubiquitous and complex.
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.
Panko (2008)94% of the 88 spreadsheets audited in 7 studies have contained errors.
Beaman, et al (2005)Errors in spreadsheets... result in incorrect decisions being made and significant losses incurred.
Reschenhofer & Matthes (2015)Spreadsheet shortcomings can significantly hamper an organization's business operation.
Nixon & O'Hara (2010)Spreadsheet errors are still the rule rather than the exception.
Colbenz (2005)Errors in spreadsheets are as ubiquitous as spreadsheets themselves.
Nixon & O'Hara (2010)It is now widely accepted that errors in spreadsheets are both common and potentially dangerous.
Panko (2013)It is irrational to expect large error-free spreadsheets.
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.
Sajaniemi (1998)The results given by spreadsheets are often just wrong.
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.
Panko & Ordway (2005)Most large spreadsheets have dozens or even hundreds of errors.
Kruck & Sheetz (2001)...few incidents of spreadsheet errors are made public and these are usually not revealed by choice.
Csernoch & Biro (2013)Studies have shown that there is a high incidence of errors in spreadsheets.
Miller (2005)Untested spreadsheets are riddled with errors.
Howard (2005)Spreadsheets... pose a greater threat to your business than almost anything you can imagine.
Abraham, et al (2005)Spreadsheets contain errors at an alarmingly high rate.
Caulkins, Morrison, & Weidemann (2008)Spreadsheets are commonly used and commonly flawed.
Caulkins, Morrison, & Weidemann (2006)Your spreadsheets may be disasters in the making.