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