The required input, i.e. the job type, may be 'planned' but if ten different users were asked to provide this input you could be sure that you would get seven or eight different answers. Using a pick list system the prompt would be as follows:
With the almost universal use of Windows™ based software this may appear to be stating the obvious but some vendors still supply DOS packages which do not use pick lists. Free text input should therefore be restricted to situations such as descriptions of actions taken during completion of a job.
During fault analysis it may be that you require to determine how often a production assembly machine has required attention for 'jam ups' caused by parts. If those reporting faults through the system are allowed to describe the problem using free text you will find that they will find many different ways of doing so. For example, 'm/c jammed', 'machine jammed', 'jam up on machine', 'parts jammed', 'parts jammed up in m/c', ad infinitum. It would be extremely difficult, if not impossible, to scan a database for statistics on machine jams using this system. There would be too many possible descriptions. However, if the reporter was forced to select a fault from a list it would be far easier to get statistics on that particular fault.
The required input, i.e. the job type, may be 'planned' but if ten different users were asked to provide this input you could be sure that you would get seven or eight different answers. Using a pick list system the prompt would be as follows:
With the almost universal use of Windows™ based software this may appear to be stating the obvious but some vendors still supply DOS packages which do not use pick lists. Free text input should therefore be restricted to situations such as descriptions of actions taken during completion of a job.
During fault analysis it may be that you require to determine how often a production assembly machine has required attention for 'jam ups' caused by parts. If those reporting faults through the system are allowed to describe the problem using free text you will find that they will find many different ways of doing so. For example, 'm/c jammed', 'machine jammed', 'jam up on machine', 'parts jammed', 'parts jammed up in m/c', ad infinitum. It would be extremely difficult, if not impossible, to scan a database for statistics on machine jams using this system. There would be too many possible descriptions. However, if the reporter was forced to select a fault from a list it would be far easier to get statistics on that particular fault.
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