[Informatics] Integrity exam question

Tue Sep 29 09:12:07 UTC 2020

Hello Laurie,

How are you? I just had a look at the question.

They are using an 8 year old list of addresses to "mail out the surveys" to
collect further data. Their particular concern is the address field. I
would think that if the address has not been verified over the 8 years,
then it risks being "incorrect".

Data Integrity - according to the textbook (Page 20) the following *factors
influence data integrity: Accuracy, Authenticity, Correctness,
Reasonableness, Relevance & Timeliness.*

On Page 141, there is more info on *criteria to check data integrity*. And
there it states that one *characteristic *of *Accuracy can be measured by
the "content" which is determined by Correctness and Completeness.*

So many words ...

However, like you said, the report says that "Accuracy" is the
correct answer which comes from P141 as the question asks for the
"characteristic" of data integrity.

I hope that helps and hasn't caused any confusion.

Kind regards, Litsa

On Tue, Sep 29, 2020 at 5:03 PM Laurie McDonald (Mr) <
mcdonaldl at stmargarets.vic.edu.au> wrote:

> Hi All
>
>
>
> Hope the break is going well.
>
>
>
> From Section C, 3B from last year I think I  need to get some clarity
> around integrity.
>
>
>
> In order to collect more data, Pranesh suggests mailing surveys to random
> residents. Carolyn has an old list of residents that has each person’s
> surname, first name and address. The list is
>
> eight years old. Pranesh is concerned about the integrity of the data if
> this list is used, in particular the addresses of the residents. Name the
> characteristic of data integrity that would cause the greatest problems for
> the dentists if they use this list. Explain why this characteristic is a
> concern.
>
>
>
> Accuracy was the only accepted response. 0.5 out of 3 the average mark.
>
>
>
> VCAA said - One area for improvement is students’ understanding of the
> aspects of data integrity. While students could identify these aspects, too
> many used the wrong definition in their answers. For example, many thought
> that timeliness refers to when the data was first created/gathered, rather
> than when data is gathered in relation to the current project,. Students
> need to be familiar with the terminology used within the study.
>
>
>
> Even considering the logic described in the VCAA comment - the data was
> gathered 8 years earlier in relation to the current survey project being
> undertaken. Does that, for that project, bring into question the timeliness
> of the data.
>
>
>
> Am I missing something. Is the data being considered to be gathered at the
> current time of the project?
>
>
>
> Thanks
>
>
>
> *Kind Regards,*
>
> *Mr Laurie McDonald*
> *Digital Technologies*
>
>
>
> *From:* informatics <informatics-bounces at edulists.com.au> *On Behalf Of *Roland
> Gesthuizen
> *Sent:* Saturday, 19 September 2020 9:58 AM
> *To:* Year 12 VCE Informatics Teachers' Mailing List <
> informatics at edulists.com.au>
> *Subject:* Re: [Informatics] informatics Digest, Vol 56, Issue 15
>
>
>
> It is good to see :-)
>
>
>
> The sample exam that follows a new study design is designed to introduce
> the layout, the language and tone. In a sense, if it feels familiar and
> anchors us to what we have done in the past with fewer surprises .. in some
> measure, that's reassuring and a good starting point for our students.
>
>
>
> I would kind of like us to consider crowdsourcing a magnifying glass onto
> those past exams wrt the new study design: i.e listing don’t do this and
> that question, add this missing topic etc .. but the term break and that
> marking pile beckons (sigh) Don’t forget DLTV VCE Resource Kit & Exam
> https://dltv.vic.edu.au/VCE-Resource-Kit and especially their free
> membership  offer https://dltv.vic.edu.au/Join-us
>
>
>
> Have a well earned break everybody ..
>
>
>
> Regards Roland
>
> --
>
>
> *Roland GESTHUIZEN *http://about.me/rgesthuizen
>
>
>
> On 18 Sep 2020, at 12:17 pm, Benn POLLOCK <pol at wantirnacollege.vic.edu.au>
> wrote:
>
>
>
> Good to see the sample exam has been published... Although, it's pretty
> much a replica of the 'Informatics Sample Exam' published in 2016 which is
> extremely disappointing. Most of my students have already done these
> questions and whilst there are some new questions in line with the new
> study design, this is slightly disappointing.
>
> Even the case study is the same to some extent as the one published in
> 2016. Most MC questions seem to be from previous Informatics exams
> (including the 2016 sample).
>
> Short Answer/Case Study questions just seem to be reworded on first
> glance... I don't see a whole lot of new content.. Sorry for the rant but
> my kids are hanging out for this to be an 'new' experience for them so you
> can hopefully understand my frustrations... Thanks.. I think I need these
> holidays!!
>
>
>
> _______________________________________________
> http://www.edulists.com.au - FAQ, resources, subscribe, unsubscribe
> VCE Informatics Mailing List
>

-- 

*Litsa Tzelepis*

7-12 Computing Teacher | Senior Cameron Learning Mentor

Mount St. Joseph Girls’ College

133 Maidstone Street, Altona VIC 3018

t 03 8398 2000

www.msj.vic.edu.au

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