Ayalew (2007)A significant proportion of spreadsheets have severe quality problems.
Powell, Baker, & Lawson (2009)1% of all formulas in operational spreadsheets are in error.
Sajaniemi (1998)The results given by spreadsheets are often just wrong.
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.
Caulkins, Morrison, & Weidemann (2008)Spreadsheets are commonly used and commonly flawed.
Hermans & van der Storm (2015)Spreadsheets are the most popular live programming environments, but they are also notoriously fault-prone.
Panko (1999)Every study, without exception, has found error rates much higher than organizations would wish to tolerate.
Mireault (2015)Developing an error-free spreadsheet has been a problem since the beginning of end-user computing.
Colbenz (2005)Errors in spreadsheets are as ubiquitous as spreadsheets themselves.
Ross (1996)A lot of decisions are being made on the basis of some bad numbers.
Chadwick (2002)Spreadsheet errors... a great, often unrecognised, risk to corporate decision making & financial integrity.
Caulkins, Morrison, & Weidemann (2006)Your spreadsheets may be disasters in the making.
Bock (2016)Spreadsheet development must embrace extensive testing in order to be taken seriously as a profession.
Panko (2013)It is irrational to expect large error-free spreadsheets.
Abreu, et al (2015)Spreadsheets can be viewed as a highly flexible programming environment for end users.
Burnett & Myers (2014)The software that end users are creating... is riddled with errors.
Panko (2015)Research on spreadsheet errors is substantial, compelling, and unanimous.
Price (2006)The untested spreadsheet is as dangerous and untrustworthy as an untested program.
Galletta, et al (1993)Even obvious, elementary errors in very simple, clearly documented spreadsheets are... difficult to find.
Panko (2014)Despite overwhelming and unanimous evidence... companies have continued to ignore spreadsheet error risks.
Irons (2003)Spreadsheet errors are pervasive, stubborn, ubiquitous and complex.
Howard (2005)Spreadsheets... pose a greater threat to your business than almost anything you can imagine.
Nixon & O'Hara (2010)It is now widely accepted that errors in spreadsheets are both common and potentially dangerous.
Abraham & Erwig (2007)Spreadsheet errors have resulted in huge financial losses.
Beaman, et al (2005)Errors in spreadsheets... result in incorrect decisions being made and significant losses incurred.
Abreu, et al (2015)Despite being staggeringly error prone, spreadsheets are a highly flexible programming environment.
Abraham, et al (2005)Spreadsheets contain errors at an alarmingly high rate.
Chen & Chan (2000)Spreadsheets are easy to use and very hard to check.
Raffensperger (2001)Never assume a spreadsheet is right, even your own.
Panko (2007)The issue is not whether there is an error but how many errors there are and how serious they are.
Murphy (2007)60% of large companies feel 'Spreadsheet Hell' describes their reliance on spreadsheets.
Durusau & Hunting (2015)Spreadsheets are dangerous to their authors and others.
Panko & Halverson (1996)Every study that has looked for errors has found them... in considerable abundance.
Rust, et al (2006)Spreadsheets have a notoriously high number of faults.
Reschenhofer & Matthes (2015)Spreadsheet shortcomings can significantly hamper an organization's business operation.
Dunn (2010)Spreadsheets are extraordinarily and unacceptably prone to error.
Caulkins, Morrison, & Weidemann (2006)People tend to believe their spreadsheets are more accurate than they really are.
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.
Cunha, et al (2011)Spreadsheets are notoriously error-prone.
Paine (2001)Spreadsheets are alarmingly error-prone to write.
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.
Mireault & Gresham (2015)Spreadsheets are often hard, if not impossible, to understand.
Bishop & McDaid (2007)The quality and reliability of spreadsheets is known to be poor.
Kulesz & Ostberg (2013)Spreadsheets are more fault-prone than other software.
Sakal, et al (2015)Overconfidence is one of the most substantial causes of spreadsheet errors.
Nixon & O'Hara (2010)Spreadsheet errors are still the rule rather than the exception.
Miller (2005)Untested spreadsheets are riddled with errors.