week3

Q: How document review, observation, questionnaires and surveys, sampling and research might be used to answer the following questions:

a. What is the traditional approach to systems development?

b.What is the object-oriented approach to systems development?

c.What textbooks, journals and/or websites might be useful to search for articles about Comparing and contrasting the traditional and object-oriented approaches to systems development?

A: As the textbook(Shelly,  Chasman & Rosenblatt 2007, p114) showed that there have some  fact-finding techniques for systems analysts:document review, observation, questionnaires and surveys, sampling and research. We shuold use them effective to help us solve the questions.

 First of all,   document review which straight point out how the current system works, also, sometimes was not update. This technique may not help us answer these above questions because  the documents most is about the help support.

Observation is another fact-finding technique. It supports us the additional perception of system procedures and makes themselves easy understand. It may be able to help us solve those three questions.

Thirdly, questionnaires and surveys, which was define as  “a document containing a number of standard questions that can be sent to many individuals”(Shelly,  Chessman & Rosenblatt 2007, p116) ,can help us  if the people who answer the surveys seriously and professionally.

Fourth, sampling, which means use examples as the whole thing, can save us much time. However, it may help us answer the front two questions. The last question, it maybe can answer as well but lack of persuasion.

Finally, the last measure is research. As we know there have many information research engines on internet and many libraries have their own research systems, this is the useful way to solve the all questions.

REFERENCE

Shelly, G, Chasman, T & Rosenblatt, H, (2007), Systems analysis and design (7th edn), Thomson Course Technology

~ by cquwf on March 23, 2008.