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New Post 11/3/2009 9:22 PM
User is offline KJ
243 posts
6th Level Poster


Re: How to improve BA skills? 

 

Tony,
Yes BPMN diagrams enable capture of INPUTS and OUTPUTS.  Unfortunately, they put INPUTS and OUTPUTS and flow of control and sequencing and the kitchen sink all on the same diagram.   The result, especially for larger scale efforts, is diagrams that soon get so complex that the analyst can not tell where his/her mistakes are.  I have seen this happen in the real world more than once.
 
I agree whole heartedly. I think the lack of focus on INPUT and OUTPUTs is largely a methodological issue. Of course there is also the “omission through aesthetics”: the diagram looks so beautiful that the “artist” forgets to define the inputs and outputs. As I’ve mentioned in the past, the artist gives you a blank stare when you ask about the inputs and outputs to/from a process. What’s happened to the old tested ideas of IPO (input-process-output) and HIPO (hierarchical input-process-output)?
 
Warm regards,
 
K
 
New Post 11/4/2009 5:12 AM
User is offline Tony Markos
493 posts
5th Level Poster


Re: How to improve BA skills? 

K wrote:  What's happened to the old tested ideas of IPO (input-process-output).....

An understanding of  input-process-output is essential to logically understanding how a system works.   Yes, the concept has been around awhile, but the important point is to focus on the concept's essentiality.  

What happened to a focus on input-process-output?   The concept is still recognized by the  knowledgeable as fundamental.  Case in point, look at the BABOK 2.0.    This document is the latest and greatest from those who lay claim to setting a certification standard for BAs.  The document is also a functional spec on how to create a functional spec.  Notice that it is organized around input\process\output diagrams.  (Granted, the document would be much easier to read if, instead of using simple  input\process\output diagrams, integrated input\process\output diagrams (i.e., data flow diagrams) were used.)

So the question now becomes: If the knowledgeable recognize input\process\output as fundamental, why don't the masses?   Answer: newer techniques are easier to use, even though they result in the situation that you mentioned: "...the artist gives you a blank stare when you ask about inputs and outputs to/from a proess".

Tony

 
New Post 11/4/2009 5:12 AM
User is offline Tony Markos
493 posts
5th Level Poster


Re: How to improve BA skills? 

K wrote:  What's happened to the old tested ideas of IPO (input-process-output).....

An understanding of  input-process-output is essential to logically understanding how a system works.   Yes, the concept has been around awhile, but the important point is to focus on the concept's essentiality.  

What happened to a focus on input-process-output?   The concept is still recognized by the  knowledgeable as fundamental.  Case in point, look at the BABOK 2.0.    This document is the latest and greatest from those who lay claim to setting a certification standard for BAs.  The document is also a functional spec on how to create a functional spec.  Notice that it is organized around input\process\output diagrams.  (Granted, the document would be much easier to read if, instead of using simple  input\process\output diagrams, integrated input\process\output diagrams (i.e., data flow diagrams) were used.)

So the question now becomes: If the knowledgeable recognize input\process\output as fundamental, why don't the masses?   Answer: newer techniques are easier to use, even though they result in the situation that you mentioned: "...the artist gives you a blank stare when you ask about inputs and outputs to/from a proess".

Tony

 
New Post 11/4/2009 5:15 AM
User is offline Tony Markos
493 posts
5th Level Poster


Re: How to improve BA skills? 

Don't ask me how I double-submitted my last posting.   It don't make me look so good, but at least it helps to run my total posting count :-)

Tony

 
New Post 11/5/2009 12:56 AM
User is offline Guy Beauchamp
257 posts
www.smart-ba.com
5th Level Poster




Re: How to improve BA skills? 

K,

We seem to have gone off topic which was me responding to your assertion that the best BAs have degrees. I note that you have yet to define what a "best BA" is and what the causal relationship between holding degrees and being a "best BA" is.

On your previous post you preface it with "Are you saying that university education or any education for that matter is not needed to be an analyst; rather you’d prefer analysts to be logical and by this I “infer” that their deliverables (requirements etc) are truthful: reflecting the needs of the user?"

I agree that I am saying that "university education or any education for that matter is not needed to be an analyst; rather you’d prefer analysts to be logical". I disagree with with your inference about "truthfullness". The application of logic is to sepcfiy justified requirements based on the smart objectives of a project. The justification is the mapping between every requirement and business rule and the objective(s) they directly or indirectly help achieve and any other requirements or business rules also needed to achieve those obnjectives whether the user specifies them or not. You do what you need to do to achieve the project objectives. I have written on this at length (see my website www.smart-BA.com).

Hope that clears things up?

Guy

 
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