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Flashcards in 1b Investigation methods Deck (4):

Describe two advantages of using observation during the analysis and investigation stage of the systems life cycle. (4)

 can observe what people do which may be different from what they
tell you (1) and lead to inconsistencies that can be investigated (1)  habits which are overlooked can be viewed (1) giving the full picture(1)
 can see the body language (1) so can tell if people are lying/telling the truth (1)


Give two comparisons of the use of questionnaires and interviews for investigating a system. (4)

 the course of interviews can change during the process
whereas the structure of questionnaires are fixed in advance  questionnaires are anonymous whereas you see and talk to
the person being interviewed
 questionnaires are structured clearly and provide
opportunities for short answers whereas an interview provides an opportunity to offer additional information that the analyst may not have considered
 body language can offer conclusions about answers being given during interviews whereas with questionnaires you do not get to see the person filling them in


Identify four documents that an analyst might examine when investigating a personnel system. (4)

 application forms (1)
 personal details/contact details/next of kin/date of birth (1)
 references (1)
 CRB/employment checks (1)
 certificates (1)
 qualifications (1)
 contracts (1)
 training forms (1)
 courses attended (1)
 sickness record (1)
 appraisal documents (1)
 time slips (1)


The management of the airline needs to update the check-in system to deal with passengers more efficiently. They have employed a consultancy firm to investigate the current system and design the updates.
Describe three different methods a systems analyst might use when investigating the current system. (6)

 interviews (1) information is gathered directly from the person(s) concerned with the current system/can be steered according to responses/provides individual responses (1)
 meetings (1) addresses individuals or groups of people/body language can be seen/used to gather or impart information (1)
 document analysis (1) builds a picture of information flow from input to output/identifies inertia within a system/provides opportunities for re-design (1)
 observation (1) watching/noting check-in procedure (1)

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