Structured Systems Development
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-Based upon SDLC
-Assumes a project phase is complete before moving to the next phase
Includes:
o Waterfall Development
o Parallel Development
o V-model
Questionnaires
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, Special-purpose documents that allow the analyst to collect information
and opinions from respondents. can be either fixed-format questions or
free-format questions.
STRENGTHS
◦ Most can be answered quickly (if
properly designed).
◦ Relatively inexpensive.
◦ Allow individuals to maintain
anonymity.
◦ Can be tabulated and analyzed
quickly (if properly designed).
WEAKNESSES
◦ Response is often low. How to motivate
participation?
◦ Incomplete questionnaires returned - are these worthless?
◦ Tend to be inflexible.
◦ Body language cannot be observed.
◦ Cannot clarify a vague or incomplete
answer to any question.
◦ Difficult to prepare a successful
questionnaire.
JAD
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, -JAD is an information gathering technique that allows the project team,
users, and management to work together to identify requirements for the
system.
-It can reduce scope creep by 50%,
-JAD is a structure process in which 10 to 20 users meet under the direction
of a facilitator skilled in JAD techniques.
User Requirements
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-What the user needs to do to complete a needed job or task
-Focus on user tasks that are integral to business
operations
Activity Elimination
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Identify what would happen if each organizational
activity were eliminated
Use "force-fit" to test all possibilities
Insist that all activities are potentially eliminated, even if
it seems preposterous.
Brainstorming technique that helps to overcome "but
we've always done it that way" limitations on thinking
Give this one a try later!
-Based upon SDLC
-Assumes a project phase is complete before moving to the next phase
Includes:
o Waterfall Development
o Parallel Development
o V-model
Questionnaires
Give this one a try later!
, Special-purpose documents that allow the analyst to collect information
and opinions from respondents. can be either fixed-format questions or
free-format questions.
STRENGTHS
◦ Most can be answered quickly (if
properly designed).
◦ Relatively inexpensive.
◦ Allow individuals to maintain
anonymity.
◦ Can be tabulated and analyzed
quickly (if properly designed).
WEAKNESSES
◦ Response is often low. How to motivate
participation?
◦ Incomplete questionnaires returned - are these worthless?
◦ Tend to be inflexible.
◦ Body language cannot be observed.
◦ Cannot clarify a vague or incomplete
answer to any question.
◦ Difficult to prepare a successful
questionnaire.
JAD
Give this one a try later!
, -JAD is an information gathering technique that allows the project team,
users, and management to work together to identify requirements for the
system.
-It can reduce scope creep by 50%,
-JAD is a structure process in which 10 to 20 users meet under the direction
of a facilitator skilled in JAD techniques.
User Requirements
Give this one a try later!
-What the user needs to do to complete a needed job or task
-Focus on user tasks that are integral to business
operations
Activity Elimination
Give this one a try later!
Identify what would happen if each organizational
activity were eliminated
Use "force-fit" to test all possibilities
Insist that all activities are potentially eliminated, even if
it seems preposterous.
Brainstorming technique that helps to overcome "but
we've always done it that way" limitations on thinking
