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