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

Spreadsheet bibliography

Title Detecting errors during the construction of mathematical formulas in a spreadsheet environment: An empirical study involving novice users
Authors Konstantinos Lavidas, Vasilis Komis, & Iro Voulgari
Year 2017
Type Article
Publication SCIREA Journal of Education
Series February, volume 2, issue 1, pages 1-17
Abstract

In this study we examine the familiarization of students with the basic functions for formula insertion in a general purpose spreadsheet software.

Two teaching interventions and two respective follow-up tests were conducted to 124 students of Educational Sciences, with little prior experience in the use of spreadsheets.

Through the data collected (test results, registration forms for the students to record any difficulties they had during the tests, video captures of the interactions of the students with the software during the tests) the errors the students made and also any attempts to correct these errors were identified.

Our findings indicated that the software error messages and the unexpected results were the main events that prompted the students to recognize their errors.

Full version Available
Sample
Familiarity of students with the process of inserting formulae
Familiarity of students with the process of inserting formulae

It seems that the majority of the students are familiar with a subset of the basic spreadsheet operations which involve formula insertion in spreadsheet cells.

Most problems were observed in the use of the IF built-in function, since one out of four students did not use this function successfully.

Regarding observed error types, our study shows that students tend to correct mechanical errors, while only half of the conceptual errors are finally corrected.

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