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