Spreadsheets are more fault-prone than other software.
Kulesz & Ostberg (2013)
Most executives do not really check or verify the accuracy or validity of [their] spreadsheets...
Teo & Tan (1999)
Programmers exhibit unwarranted confidence in the correctness of their spreadsheets.
Krishna, et al (2001)
60% of large companies feel 'Spreadsheet Hell' describes their reliance on spreadsheets.
Murphy (2007)
...few incidents of spreadsheet errors are made public and these are usually not revealed by choice.
Kruck & Sheetz (2001)
Spreadsheets have a notoriously high number of faults.
Rust, et al (2006)
Despite overwhelming and unanimous evidence... companies have continued to ignore spreadsheet error risks.
Panko (2014)
Despite being staggeringly error prone, spreadsheets are a highly flexible programming environment.
Abreu, et al (2015)
The software that end users are creating... is riddled with errors.
Burnett & Myers (2014)
Spreadsheets can be viewed as a highly flexible programming environment for end users.
Abreu, et al (2015)
Never assume a spreadsheet is right, even your own.
Raffensperger (2001)
It is now widely accepted that errors in spreadsheets are both common and potentially dangerous.
Nixon & O'Hara (2010)
The results given by spreadsheets are often just wrong.
Sajaniemi (1998)
Every study, without exception, has found error rates much higher than organizations would wish to tolerate.
Panko (1999)
Spreadsheet errors have resulted in huge financial losses.
Abraham & Erwig (2007)
A significant proportion of spreadsheets have severe quality problems.
Ayalew (2007)
Even obvious, elementary errors in very simple, clearly documented spreadsheets are... difficult to find.
Galletta, et al (1993)
Overconfidence is one of the most substantial causes of spreadsheet errors.
Sakal, et al (2015)
Errors in spreadsheets are as ubiquitous as spreadsheets themselves.
Colbenz (2005)
Spreadsheet errors... a great, often unrecognised, risk to corporate decision making & financial integrity.
Chadwick (2002)
Studies have shown that there is a high incidence of errors in spreadsheets.
Csernoch & Biro (2013)
A lot of decisions are being made on the basis of some bad numbers.
Ross (1996)
The quality and reliability of spreadsheets is known to be poor.
Bishop & McDaid (2007)
Untested spreadsheets are riddled with errors.
Miller (2005)
The untested spreadsheet is as dangerous and untrustworthy as an untested program.
Price (2006)
Errors in spreadsheets... result in incorrect decisions being made and significant losses incurred.
Beaman, et al (2005)
Spreadsheets are dangerous to their authors and others.
Durusau & Hunting (2015)
Spreadsheets are easy to use and very hard to check.
Chen & Chan (2000)
Your spreadsheets may be disasters in the making.
Caulkins, Morrison, & Weidemann (2006)
Every study that has looked for errors has found them... in considerable abundance.
Panko & Halverson (1996)
Spreadsheet errors are pervasive, stubborn, ubiquitous and complex.
Irons (2003)
Spreadsheets are often hard, if not impossible, to understand.
Mireault & Gresham (2015)
Spreadsheets... pose a greater threat to your business than almost anything you can imagine.
Howard (2005)
1% of all formulas in operational spreadsheets are in error.
Powell, Baker, & Lawson (2009)
Spreadsheet errors are still the rule rather than the exception.
Nixon & O'Hara (2010)
Research on spreadsheet errors is substantial, compelling, and unanimous.
Panko (2015)
Spreadsheets are the most popular live programming environments, but they are also notoriously fault-prone.
Hermans & van der Storm (2015)
Spreadsheet development must embrace extensive testing in order to be taken seriously as a profession.
Bock (2016)
Spreadsheets contain errors at an alarmingly high rate.
Abraham, et al (2005)
The issue is not whether there is an error but how many errors there are and how serious they are.
Panko (2007)
Spreadsheets are commonly used and commonly flawed.
Caulkins, Morrison, & Weidemann (2008)
94% of the 88 spreadsheets audited in 7 studies have contained errors.
Panko (2008)
It is irrational to expect large error-free spreadsheets.
Panko (2013)
Spreadsheets are extraordinarily and unacceptably prone to error.
Dunn (2010)
Spreadsheets are notoriously error-prone.
Cunha, et al (2011)
Most large spreadsheets have dozens or even hundreds of errors.
Panko & Ordway (2005)
People tend to believe their spreadsheets are more accurate than they really are.
Caulkins, Morrison, & Weidemann (2006)
Developing an error-free spreadsheet has been a problem since the beginning of end-user computing.
Mireault (2015)
Spreadsheets are alarmingly error-prone to write.
Paine (2001)
Spreadsheet shortcomings can significantly hamper an organization's business operation.
Reschenhofer & Matthes (2015)

Spreadsheet bibliography

Title Using objects of measurement to detect spreadsheet errors
Authors Michael J. Coblenz, Andrew Ko, & Brad Myers
Year 2005
Type Article
Publication Institute for Software Research
Series Paper 778
Abstract

There are many common errors in spreadsheets that traditional spreadsheet systems do not help users find.

This paper presents a statically-typed spreadsheet language that adds additional information about the objects that spreadsheet values represent.

By annotating values with both units and labels, users denote both the system of measurement in which the values are expressed as well as the properties of the objects to which the values refer. This information is used during computation to detect some invalid computations and allow users to identify properties of resulting values.

Full version Available
Sample
A small label context
A small label context

The label context forms the core of our research.

The structure of the label context reflects the observation that many real-world concepts and objects are hierarchical. Therefore, the label context is a tree, where each node is a particular concept.

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