[Year 12 SofDev] Should I teach lists?

Mon Mar 7 13:42:30 AEDT 2016

Hi all.

Remember that the study design (p.41) says in U3O1 KK2 "one-dimensional
arrays (*single data type*, integer index)" so the intent of 'array' is
pretty clear.

The study design works pretty hard to make itself language-independent, and
focuses on universal and fundamental programming truths.

Have a happy pedagogical Monday, everyone.

Mark

On 7 March 2016 at 11:30, Laurie Savage <08327998 at pvgc.vic.edu.au> wrote:

> I'm no expert here so I'm very happy to be corrected but this poses a
> problem with PHP and Python where arrays and lists are interchangeable. In
> PHP and Python arrays can contain elements of different types: e.g.
>
> $fred = array("Fred", "Smith", 40, 78.50) so $fred[2] + $fred[3] = 118.5
> but $fred[0] + $fred[1] should throw an error in PHP, not in Python.
>
> or
>
> $fred = array("FName"=>"Fred", SName"=>"Smith", "Age"=>40, "Weight"=> 78.5)
>
>
> I seem to remember having this discussion with Kevork back in 2010!
>
> Laurie
>
>
> Laurie Savage
> IT Teacher/Assessment and Reporting Coordinator
> Pascoe Vale Girls College
>
>
>
>
> On 7 Mar 2016, at 11:09 AM, Chris Bucknell <
> Chris.Bucknell at haileybury.vic.edu.au> wrote:
>
> Hi All,
>
> Like Damien I don’t encourage my students to use List and Dictionaries
> because in they tend to confuse them and arrays when it comes to exams.  So
> I find it simpler to avoid them and get the students to understand what’s
> on the study design and what they’ll be assessed on.
>
> Cheers
>
> *Chris Bucknell*
> Head of CDT; Coord, Internal Exam; House Tutor
> +61 3 9904 6360
> Chris.Bucknell at haileybury.vic.edu.au <%7bemail%7d>
> www.haileybury.vic.edu.au
>
>
> *From:* sofdev-bounces at edulists.com.au [
> mailto:sofdev-bounces at edulists.com.au <sofdev-bounces at edulists.com.au>] *On
> Behalf Of *ATKINSON-BUCK, Damien
> *Sent:* Monday, 7 March 2016 10:38 AM
> *To:* Year 12 Software Development Teachers' Mailing List
> *Subject:* Re: [Year 12 SofDev] Should I teach lists?
>
> Hi Ben,
>               Personally steer away from Lists and Dictionaries, even
> though they’re technically easier to use (and in at least the case of
> dictionaries, sometimes faster) purely because I don’t want to add any
> extra confusion for the students. When it comes to exams, they are likely
> to be asked questions about arrays. If they put in an example in list
> format, an exam assessor may not get that and give them zero…. Especially
> if you look at RemoveAt() and other list shortcuts.
> That’s just my overly cautious approach, quite possibly I’m underselling
> the students ability to discriminate the best time to use it.
> Cheers
> Damien
>
>
> *Damien Atkinson-Buck*
> Head of Learning Area: Technology/Arts
> <image001.png> <http:/>
> <image002.jpg> <http://www.ivanhoe.com.au/>
> The Ridgeway, Ivanhoe VIC 3079 Australia
> p. +61 3 9490 3848
> e. damien.atkinson-buck at ivanhoe.com.au
> w. www.ivanhoe.com.au
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>
> *From:* Baas, Benjamin B [mailto:baas.benjamin.b at edumail.vic.gov.au
> <baas.benjamin.b at edumail.vic.gov.au>]
> *Sent:* Monday, 7 March 2016 9:49 AM
> *To:* Year 12 Software Development Teachers' Mailing List
> *Subject:* [Year 12 SofDev] Should I teach lists?
>
> Hi all,
>
> I’m contemplating whether on not I should teach my students about Lists in
> C# and VB as they will be of more use to them then Arrays when doing their
> SAT (List are dynamic and have more functionality). I just wanted to know
> what peoples thoughts are on this and if they go beyond the data
> collections mentioned in the study design. The SD just mentions Arrays and
> Records.
>
> Cheers,
>
> Ben.
>
> *Benjamin Baas*
> <image005.png> *Alkira Secondary College*
> +   *Nurture Ave, Cranbourne North | PO Box 4314, Narre Warren South 3805*
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-- 

Mark Kelly

mark at vceit.com
http://vceit.com
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