Date | November 2018 | Marks available | 1 | Reference code | 18N.1.SL.TZ0.3 |
Level | SL | Paper | 1 | Time zone | no time zone |
Command term | Identify | Question number | 3 | Adapted from | N/A |
Question
Direct observation is a technique used by a system analyst to determine user requirements for updating a computer system.
Identify one advantage of direct observation.
Identify one disadvantage of direct observation.
Markscheme
Award [1] for an advantage up to [1 max].
Direct observation is systematic/structured process;
Direct observation allows that current computer system can be studied in its natural setting;
Direct observation provides a better understanding of the way computer system is used;
etc.
Award [1] for a disadvantage up to [1 max].
Direct observation is susceptible to observer bias;
Direct observation also can affect the behavior of users/process being observed;
Direct observation is time consuming;
etc.