Powell, Baker, & Lawson (2009)1% of all formulas in operational spreadsheets are in error.
Beaman, et al (2005)Errors in spreadsheets... result in incorrect decisions being made and significant losses incurred.
Panko (2013)It is irrational to expect large error-free spreadsheets.
Durusau & Hunting (2015)Spreadsheets are dangerous to their authors and others.
Nixon & O'Hara (2010)It is now widely accepted that errors in spreadsheets are both common and potentially dangerous.
Panko & Halverson (1996)Every study that has looked for errors has found them... in considerable abundance.
Raffensperger (2001)Never assume a spreadsheet is right, even your own.
Rust, et al (2006)Spreadsheets have a notoriously high number of faults.
Abreu, et al (2015)Spreadsheets can be viewed as a highly flexible programming environment for end users.
Krishna, et al (2001)Programmers exhibit unwarranted confidence in the correctness of their spreadsheets.
Panko (2015)Research on spreadsheet errors is substantial, compelling, and unanimous.
Ayalew (2007)A significant proportion of spreadsheets have severe quality problems.
Chen & Chan (2000)Spreadsheets are easy to use and very hard to check.
Howard (2005)Spreadsheets... pose a greater threat to your business than almost anything you can imagine.
Abreu, et al (2015)Despite being staggeringly error prone, spreadsheets are a highly flexible programming environment.
Csernoch & Biro (2013)Studies have shown that there is a high incidence of errors in spreadsheets.
Panko (2007)The issue is not whether there is an error but how many errors there are and how serious they are.
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.
Bock (2016)Spreadsheet development must embrace extensive testing in order to be taken seriously as a profession.
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.
Abraham & Erwig (2007)Spreadsheet errors have resulted in huge financial losses.
Miller (2005)Untested spreadsheets are riddled with errors.
Kulesz & Ostberg (2013)Spreadsheets are more fault-prone than other software.
Cunha, et al (2011)Spreadsheets are notoriously error-prone.
Mireault & Gresham (2015)Spreadsheets are often hard, if not impossible, to understand.
Abraham, et al (2005)Spreadsheets contain errors at an alarmingly high rate.
Colbenz (2005)Errors in spreadsheets are as ubiquitous as spreadsheets themselves.
Paine (2001)Spreadsheets are alarmingly error-prone to write.
Panko (2014)Despite overwhelming and unanimous evidence... companies have continued to ignore spreadsheet error risks.
Nixon & O'Hara (2010)Spreadsheet errors are still the rule rather than the exception.
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...
Reschenhofer & Matthes (2015)Spreadsheet shortcomings can significantly hamper an organization's business operation.
Bishop & McDaid (2007)The quality and reliability of spreadsheets is known to be poor.
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.
Murphy (2007)60% of large companies feel 'Spreadsheet Hell' describes their reliance on spreadsheets.
Chadwick (2002)Spreadsheet errors... a great, often unrecognised, risk to corporate decision making & financial integrity.
Ross (1996)A lot of decisions are being made on the basis of some bad numbers.
Caulkins, Morrison, & Weidemann (2006)Your spreadsheets may be disasters in the making.
Caulkins, Morrison, & Weidemann (2008)Spreadsheets are commonly used and commonly flawed.
Sakal, et al (2015)Overconfidence is one of the most substantial causes of spreadsheet errors.
Panko & Ordway (2005)Most large spreadsheets have dozens or even hundreds of errors.
Hermans & van der Storm (2015)Spreadsheets are the most popular live programming environments, but they are also notoriously fault-prone.
Irons (2003)Spreadsheet errors are pervasive, stubborn, ubiquitous and complex.
Galletta, et al (1993)Even obvious, elementary errors in very simple, clearly documented spreadsheets are... difficult to find.
Kruck & Sheetz (2001)...few incidents of spreadsheet errors are made public and these are usually not revealed by choice.
Panko (2008)94% of the 88 spreadsheets audited in 7 studies have contained errors.