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.
Howard (2005)Spreadsheets... pose a greater threat to your business than almost anything you can imagine.
Raffensperger (2001)Never assume a spreadsheet is right, even your own.
Price (2006)The untested spreadsheet is as dangerous and untrustworthy as an untested program.
Caulkins, Morrison, & Weidemann (2006)Your spreadsheets may be disasters in the making.
Murphy (2007)60% of large companies feel 'Spreadsheet Hell' describes their reliance on spreadsheets.
Colbenz (2005)Errors in spreadsheets are as ubiquitous as spreadsheets themselves.
Csernoch & Biro (2013)Studies have shown that there is a high incidence of errors in spreadsheets.
Nixon & O'Hara (2010)It is now widely accepted that errors in spreadsheets are both common and potentially dangerous.
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.
Abreu, et al (2015)Spreadsheets can be viewed as a highly flexible programming environment for end users.
Panko (2013)It is irrational to expect large error-free spreadsheets.
Burnett & Myers (2014)The software that end users are creating... is riddled with errors.
Krishna, et al (2001)Programmers exhibit unwarranted confidence in the correctness of their spreadsheets.
Rust, et al (2006)Spreadsheets have a notoriously high number of faults.
Cunha, et al (2011)Spreadsheets are notoriously error-prone.
Ayalew (2007)A significant proportion of spreadsheets have severe quality problems.
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 & Halverson (1996)Every study that has looked for errors has found them... in considerable abundance.
Ross (1996)A lot of decisions are being made on the basis of some bad numbers.
Irons (2003)Spreadsheet errors are pervasive, stubborn, ubiquitous and complex.
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.
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.
Kulesz & Ostberg (2013)Spreadsheets are more fault-prone than other software.
Abraham & Erwig (2007)Spreadsheet errors have resulted in huge financial losses.
Abreu, et al (2015)Despite being staggeringly error prone, spreadsheets are a highly flexible programming environment.
Beaman, et al (2005)Errors in spreadsheets... result in incorrect decisions being made and significant losses incurred.
Durusau & Hunting (2015)Spreadsheets are dangerous to their authors and others.
Paine (2001)Spreadsheets are alarmingly error-prone to write.
Caulkins, Morrison, & Weidemann (2006)People tend to believe their spreadsheets are more accurate than they really are.
Sajaniemi (1998)The results given by spreadsheets are often just wrong.
Powell, Baker, & Lawson (2009)1% of all formulas in operational spreadsheets are in error.
Panko (1999)Every study, without exception, has found error rates much higher than organizations would wish to tolerate.
Hermans & van der Storm (2015)Spreadsheets are the most popular live programming environments, but they are also notoriously fault-prone.
Mireault & Gresham (2015)Spreadsheets are often hard, if not impossible, to understand.
Panko (2007)The issue is not whether there is an error but how many errors there are and how serious they are.
Panko (2015)Research on spreadsheet errors is substantial, compelling, and unanimous.
Nixon & O'Hara (2010)Spreadsheet errors are still the rule rather than the exception.
Abraham, et al (2005)Spreadsheets contain errors at an alarmingly high rate.
Dunn (2010)Spreadsheets are extraordinarily and unacceptably prone to error.
Panko (2008)94% of the 88 spreadsheets audited in 7 studies have contained errors.
Miller (2005)Untested spreadsheets are riddled with errors.
Chadwick (2002)Spreadsheet errors... a great, often unrecognised, risk to corporate decision making & financial integrity.
Panko & Ordway (2005)Most large spreadsheets have dozens or even hundreds of errors.
Chen & Chan (2000)Spreadsheets are easy to use and very hard to check.