Nixon & O'Hara (2010)It is now widely accepted that errors in spreadsheets are both common and potentially dangerous.
Kulesz & Ostberg (2013)Spreadsheets are more fault-prone than other software.
Ayalew (2007)A significant proportion of spreadsheets have severe quality problems.
Bishop & McDaid (2007)The quality and reliability of spreadsheets is known to be poor.
Panko (2008)94% of the 88 spreadsheets audited in 7 studies have contained errors.
Galletta, et al (1993)Even obvious, elementary errors in very simple, clearly documented spreadsheets are... difficult to find.
Beaman, et al (2005)Errors in spreadsheets... result in incorrect decisions being made and significant losses incurred.
Chen & Chan (2000)Spreadsheets are easy to use and very hard to check.
Abraham & Erwig (2007)Spreadsheet errors have resulted in huge financial losses.
Cunha, et al (2011)Spreadsheets are notoriously error-prone.
Chadwick (2002)Spreadsheet errors... a great, often unrecognised, risk to corporate decision making & financial integrity.
Powell, Baker & Lawson (2009)1% of all formulas in operational spreadsheets are in error.
Teo & Tan (1999)Most executives do not really check or verify the accuracy or validity of [their] spreadsheets...
Miller (2005)Untested spreadsheets are riddled with errors.
Paine (2001)Spreadsheets are alarmingly error-prone to write.
Price (2006)The untested spreadsheet is as dangerous and untrustworthy as an untested program.
Nixon & O'Hara (2010)Spreadsheet errors are still the rule rather than the exception.
Rust, et al (2006)Spreadsheets have a notoriously high number of faults.
Panko (1999)Every study, without exception, has found error rates much higher than organizations would wish to tolerate.
Caulkins, Morrison, & Weidemann (2006)Your spreadsheets may be disasters in the making.
Panko (2007)The issue is not whether there is an error but how many errors there are and how serious they are.
Sajaniemi (1998)The results given by spreadsheets are often just wrong.
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.
Howard (2005)Spreadsheets... pose a greater threat to your business than almost anything you can imagine.
Panko & Halverson (1996)Every study that has looked for errors has found them... in considerable abundance.
Caulkins, Morrison, & Weidemann (2006)People tend to believe their spreadsheets are more accurate than they really are.
Ross (1996)A lot of decisions are being made on the basis of some bad numbers.
Abraham, et al (2005)Spreadsheets contain errors at an alarmingly high rate.
Burnett & Myers (2014)The software that end users are creating... is riddled with errors.
Colbenz (2005)Errors in spreadsheets are as ubiquitous as spreadsheets themselves.
Krishna, et al (2001)Programmers exhibit unwarranted confidence in the correctness of their spreadsheets.
Murphy (2007)60% of large companies feel 'Spreadsheet Hell' describes their reliance on spreadsheets.
Panko (2013)It is irrational to expect large error-free spreadsheets.
Caulkins, Morrison & Weidemann (2008)Spreadsheets are commonly used and commonly flawed.
Dunn (2010)Spreadsheets are extraordinarily and unacceptably prone to error.
Irons (2003)Spreadsheet errors are pervasive, stubborn, ubiquitous and complex.
Csernoch & Biro (2013)Studies have shown that there is a high incidence of errors in spreadsheets.
Panko & Ordway (2005)Most large spreadsheets have dozens or even hundreds of errors.
Spreadsheets are notoriously error-prone: research shows that 95% contain errors.
If your spreadsheets have not been verified, then you cannot trust that they produce reliable, accuracy, and robust results.
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