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