<html><body style="font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; font-size: 12px;"><div>Add another 2 cents to the pile.</div><div>I tend to agree with Robert that in the context of data integrity 'correctness' and 'accuracy' are more or less synonymous, but they each do have a different feel to them. "The correctness of the data was called into question" versus "The accuracy of the data was called into question" - maybe it's just me, but 'correctness' has a more holistic feel to it, while 'accuracy' feels much more specific somehow. Hopefully students will never be asked to pin down the subtle distinction</div><div>In light of the discussion so far, I can't resist this entry from a 1926 Webster's Dictionary in my possession:</div>"<b>Correct</b>, <b>Accurate</b>, <b>Exact</b>, <b>Precise</b>, <b>Nice</b> agree in the idea of conformity to standard, fact, or truth. <b>Correct</b>, the most colorless term, denotes scarcely more than freedom from fault or error, as judged by some (usually) conventional or acknowledged standard; as, <i>correct</i> dress, style, deportment; ... <b>Accurate</b> implies, more positively, conformity to fact or truth attained by the exercise of care; as, an <i>accurate</i> investigation, statement, observer. ... <b>Exact</b> emphasizes the strictness or rigor of the agreement, which neither exceeds nor falls short of the fact of standard; ... <b>Precise</b> stresses rather sharpness of definition or delimitation, or scrupulous exactness of conformity to the standard as often verges on excess; ... <b>Nice</b> implies still greater, occasionally excessive, fineness or delicacy of observation or discrimination ...<br /><br />Regards<div>Robert T-A<br /><blockquote><br />----- Original Message -----<br /><div style="width:100%;background:rgb(228,228,228);"><div style="font-weight:bold;">From:</div> "Year 12 Software Development Teachers' Mailing List" <sofdev@edulists.com.au></div><br /><div style="font-weight:bold;">To:</div>"Year 12 Software Development Teachers' Mailing List" <sofdev@edulists.com.au><br /><div style="font-weight:bold;">Cc:</div><br /><div style="font-weight:bold;">Sent:</div>Thu, 1 Sep 2016 22:02:36 +1000<br /><div style="font-weight:bold;">Subject:</div>Re: [Year 12 SofDev] Data Integrity: different between accuracy andcorrectness<br /><br /><br /><br />
PS - It is woth noting that most writing on data integrity refers to<br />
"accuracy and consistency" and does not mention "correctness"<br /><br />
Robert Hind<br />
Ex Traralgon and Ashwood<br />
Retired<br /><br /><br />
-----Original Message-----<br />
From: Robert Hind [mailto:robert@yinnar.com] <br />
Sent: Thursday, 1 September 2016 9:54 PM<br />
To: 'Year 12 Software Development Teachers' Mailing List'<br />
Subject: RE: [Year 12 SofDev] Data Integrity: different between accuracy<br />
andcorrectness<br /><br />
Hi all, my 2c worth again - from the perspective of working with data and on<br />
database design since the early 90s.<br /><br />
We are talking here about data integrity.<br /><br />
We are not talking about the accuracy or precision of measurements in terms<br />
number of significant figures or decimal places.<br />
We are not talking about data formats, eg dd/mm/yyyy versus mm/dd/yyyy or<br />
yyyy/mm/dd<br /><br />
Andrew's example of stating his height as 1.564334m IS a measurement<br />
"accurate" to 6 decimal places but it is not accurate/correct as a statement<br />
of his height.<br /><br />
I still consider correctness and accuracy as being synonymous terms when<br />
talking about data integrity.<br /><br />
Robert Hind<br />
Ex Traralgon and Ashwood<br />
Retired<br /><br /><br />
-----Original Message-----<br />
From: sofdev-bounces@edulists.com.au [mailto:sofdev-bounces@edulists.com.au]<br />
On Behalf Of Andrew Pate<br />
Sent: Thursday, 1 September 2016 9:10 PM<br />
To: sofdev@edulists.com.au<br />
Subject: Re: [Year 12 SofDev] Data Integrity: different between accuracy<br />
andcorrectness<br /><br />
Hi all,<br />
I have spoken about accuracy in terms of precision.<br /><br />
I could say I am about 1.8 metres tall. That is correct, but not accurate.<br />
I could say I am 1.564334 metres tall. That is accurate, but not correct.<br />
Each situation will require a different level of accuracy that is acceptable<br />
or expected.<br />
Can't think of a situation where accuracy is important but correctness not.<br /><br />
Andrew Pate<br />
VCE Computing teacher<br />
Mentone Grammar<br /><br />
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Today's Topics:<br /><br />
1. Re: Data Integrity: different between accuracy<br />
andcorrectness? (Rattan, Kushum L)<br /><br /><br />
----------------------------------------------------------------------<br /><br />
Message: 1<br />
Date: Thu, 1 Sep 2016 09:11:17 +0000<br />
From: "Rattan, Kushum L" <rattan.kushum.l@edumail.vic.gov.au><br />
Subject: Re: [Year 12 SofDev] Data Integrity: different between<br />
accuracy andcorrectness?<br />
To: "Year 12 Software Development Teachers' Mailing List"<br />
<sofdev@edulists.com.au><br />
Message-ID:<br /><br />
<8AD033B406E86F408A4144791802A3A0A823BDFA@EDUMBX03.education.vic.gov.au><br /><br />
Content-Type: text/plain; charset="utf-8"<br /><br />
My mobile no is same. I was in a meeting when you rang<br /><br />
Kushum Rattan<br />
ICT Curriculum Area Leader<br />
VET Co-ordinator<br />
Gisborne Secondary College<br />
Phone: 03 54283691<br />
rattan.kushum.l@edumail.vic.gov.au<mailto:rattan.kushum.l@edumail.vic.gov.au<br />
><br />
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From: sofdev-bounces@edulists.com.au [mailto:sofdev-bounces@edulists.com.au]<br />
On Behalf Of David Dawson<br />
Sent: Thursday, 1 September 2016 3:38 PM<br />
To: Year 12 Software Development Teachers' Mailing List<br />
<sofdev@edulists.com.au><br />
Subject: Re: [Year 12 SofDev] Data Integrity: different between accuracy<br />
andcorrectness?<br /><br />
And I teach them that dates recorded in this format in a file-naming<br />
convention is both correct and accurate as the files self-sort by date.<br />
YYYYMMDD<br /><br />
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From: sofdev-bounces@edulists.com.au<mailto:sofdev-bounces@edulists.com.au><br />
[mailto:sofdev-bounces@edulists.com.au] On Behalf Of Travis Parker<br />
Sent: Thursday, 1 September 2016 3:31 PM<br />
To: Year 12 Software Development Teachers' Mailing List<br />
Subject: Re: [Year 12 SofDev] Data Integrity: different between accuracy<br />
andcorrectness?<br /><br />
Sorry I did mean the opposite! Big week.<br /><br />
Try again??.<br />
I taught my kids that if you are asked for a date in DD/MM/YYY format in a<br />
program then whilst ?1st of September 2016? is accurate, writing 01/09/2016<br />
is correct.<br /><br /><br /><br />
Travis Parker<br />
Timetabler<br />
The Knox School<br /><br />
From: sofdev-bounces@edulists.com.au<mailto:sofdev-bounces@edulists.com.au><br />
[mailto:sofdev-bounces@edulists.com.au] On Behalf Of Mark<br />
Sent: Thursday, 1 September 2016 2:40 PM<br />
To: Year 12 Software Development Teachers' Mailing List<br />
Subject: Re: [Year 12 SofDev] Data Integrity: different between accuracy<br />
andcorrectness?<br /><br />
I'd say the opposite.<br /><br />
I don't think this question is ever going to be answered until we have a<br />
plebiscite, a Royal Commission or at least a dance-off competition.<br /><br />
Regards,<br />
Mark<br /><br />
On 1 September 2016 at 14:17, Travis Parker<br />
<Travis.Parker@knox.vic.edu.au<mailto:Travis.Parker@knox.vic.edu.au>> wrote:<br />
I taught my kids that if you are asked for a date in DD/MM/YYY format in a<br />
program then whilst ?1st of September 2016? is technically correct, writing<br />
01/09/2016 is accurate.<br /><br />
Mistake???<br /><br /><br /><br />
Travis Parker<br />
Timetabler<br />
The Knox School<br /><br />
From: sofdev-bounces@edulists.com.au<mailto:sofdev-bounces@edulists.com.au><br />
[mailto:sofdev-bounces@edulists.com.au<mailto:sofdev-bounces@edulists.com.au<br />
>] On Behalf Of Robert Hind<br />
Sent: Thursday, 1 September 2016 1:32 PM<br />
To: 'Year 12 Software Development Teachers' Mailing List'<br />
Subject: Re: [Year 12 SofDev] Data Integrity: different between accuracy<br />
andcorrectness?<br /><br />
I have read Mark's views on this<br />
http://vceit.com/wp/correctness-versus-accuracy/<br /><br />
Don't think they helped :-)<br /><br /><br />
I think they are essentially synonymous:<br />
eg my phone number is 0477999111 is both accurate and correct.<br /><br />
Robert Hind<br />
Ex Traralgon and Ashwood<br />
Retired<br /><br /><br />
________________________________<br />
From: sofdev-bounces@edulists.com.au<mailto:sofdev-bounces@edulists.com.au><br />
[mailto:sofdev-bounces@edulists.com.au] On Behalf Of Ben Hines<br />
Sent: Thursday, 1 September 2016 12:54 PM<br />
To: Year 12 Software Development Teachers' Mailing List<br />
Subject: [Year 12 SofDev] Data Integrity: different between accuracy<br />
andcorrectness?<br />
Hi all,<br /><br />
As part of the five characteristics of data integrity we have both accuracy<br />
and correctness; how do we differentiate the two of these?<br /><br />
Thanks<br /><br />
Ben Hines<br /><br />
Ben Hines<br />
Mathematics and ICT Teacher<br />
Senior Campus<br />
(03)5241 1577<br /><br />
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