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