[Year 12 IT Apps] Study design content

Timmer-Arends timmer at melbpc.org.au
Wed Oct 3 16:32:17 EST 2007


The SDLC is a problem-solving methodology but for 'systems' problems, so you 
would expect the stages to be more or less the same. What is important is 
what happens under each of these headings, not the headings themselves.

Regards
Robert T-A
Brighton SC


----- Original Message ----- 
From: "Mark Kelly" <kel at mckinnonsc.vic.edu.au>
To: "Year 12 IT Applications Teachers' Mailing List" 
<itapps at edulists.com.au>
Sent: Wednesday, September 19, 2007 9:27 AM
Subject: Re: [Year 12 IT Apps] Study design content


> It does seem rather like hair-splitting.  Putting testing & documentation 
> into the development phase is not, I feel, a significant difference.
>
> In my travels I have seen the SDLC range from ADDIE to ADDTDIE, and a 
> dozen other variations, some with completely different phases including 
> Feasibility Study and Maintenance.
>
> Visit wikipedia and webopedia and it's obvious that there is no single 
> definition of 'SDLC'.  The glossary itself admits that the stages are 
> rather arbitrary since is mentions that "in this study the method chosen 
> involves", implying that other methods exist and may be just as valid.
>
> So why, I wonder, was testing and documentation omitted from the SDLC but 
> included in the PSM?  Was it done for a reason, or was it arbitrary?
>
> And if there is in fact no effective difference between the SDLC and PSM, 
> why persist in assigning them different numbers of phases when in fact all 
> the same actions are being done in both models, but some actions are 
> subsumed into other phases?
>
> Anyway, it's not a serious problem. It just seems a bit odd to me.
>
> Christophersen, Paula P wrote:
>> Mark, the SDLC has only five phases: analysis, design, development, 
>> implementation and evaluation, unlike the problem solving methodology for 
>> creating solutions which has seven stages.
>>
>> Regards
>> Paula
>>
>> ________________________________
>>
>> From: itapps-bounces at edulists.com.au on behalf of Mark Kelly
>> Sent: Tue 18/09/2007 3:07 PM
>> To: Year 12 IT Applications Teachers' Mailing List
>> Subject: Re: [Year 12 IT Apps] Study design content
>>
>>
>>
>> Yes, but if all the stages within the SDLC and the PSM are identically
>> named, is there any effective difference between them, apart from the 
>> name?
>>
>> I don't mean to quibble, but if there's any difference between the
>> phases of the SDLC and PSM then I've yet to find it.
>>
>> They seem to be the same philosophy/strategy, used to both solve
>> problems to develop systems.
>>
>> Christophersen, Paula P wrote:
>>> Mark and colleagues
>>>
>>> The problem solving methodology in unit 3 relates to solving information
>>> problems, not information system problems. The term used for systems is
>>> SDLC.
>>>
>>> Regards
>>> Paula
>>>
>>>
>>>
>>> -----Original Message-----
>>> From: itapps-bounces at edulists.com.au
>>> [mailto:itapps-bounces at edulists.com.au] On Behalf Of Mark Kelly
>>> Sent: Tuesday, 18 September 2007 12:48 PM
>>> To: Year 12 IT Applications Teachers' Mailing List
>>> Subject: Re: [Year 12 IT Apps] Study design content
>>>
>>> O, but it _is_.
>>>
>>> ITA U3O1 KK4 demands that we cover "A problem-solving methodology
>>> involving analysis, design, development, testing, implementation and
>>> evaluation."  Same for ITA U4O1 (including the documentation phase.)
>>>
>>> Sound familiar?  It's the SDLC wearing a fake moustache.
>>>
>>> Are you saying we teach the SDLC but just call it "A problem-solving
>>> methodology" in exam questions?
>>>
>>> Christophersen, Paula P wrote:
>>>> Dear colleagues
>>>>
>>>> When preparing your students for the end of year examination, do not
>>>> develop any questions on, or revise the topic of, the systems
>>>> development life cycle (SDLC). This was part of the Information
>>>> Processing and Management study design, and it is *not *included in IT
>>>> applications.
>>>>
>>>>
>>>>
>>>> Regards
>>>>
>>>> Paula
>>>>
>>>>
>>>>
>>>> Paula Christophersen
>>>>
>>>> Acting Manager
>>>>
>>>> Senior Secondary Curriculum Unit
>>>>
>>>> VCAA
>>>>
>>>> 41 St Andrews Place
>>>>
>>>> EAST MELBOURNE 3002
>>>>
>>>> (03) 9651 4378
>>>>
>>
>> --
>> Mark Kelly
>> Manager - Information Systems
>> McKinnon Secondary College
>> McKinnon Rd McKinnon 3204, Victoria, Australia
>> Direct line / Voicemail: 8520 9085
>> School Phone +613 8520 9000
>> School Fax +613 95789253
>> kel AT mckinnonsc.vic.edu.au
>>
>> Webmaster - http://www.mckinnonsc.vic.edu.au 
>> <http://www.mckinnonsc.vic.edu.au/>
>> IT Lecture notes: http://vceit.com <http://vceit.com/>
>> Moderator: IT Applications Mailing List
>>
>> It's 'i' before 'e' except after 'c'.
>> Spelling is not an art, it's a sceince.
>>
>
>
> -- 
> Mark Kelly
> Manager - Information Systems
> McKinnon Secondary College
> McKinnon Rd McKinnon 3204, Victoria, Australia
> Direct line / Voicemail: 8520 9085
> School Phone +613 8520 9000
> School Fax +613 95789253
> kel AT mckinnonsc.vic.edu.au
>
> Webmaster - http://www.mckinnonsc.vic.edu.au
> IT Lecture notes: http://vceit.com
> Moderator: IT Applications Mailing List
>
> It's 'i' before 'e' except after 'c'.
> Spelling is not an art, it's a sceince.
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