FACTOID # 30: If Alaska were its own country, it would be the 26th largest in total area, slightly larger than Iran.
 
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Encyclopedia > Inspection

Inspection in software engineering, refers to peer review of any work product by trained individuals who look for defects using a well defined process. An inspection might also be referred to as a Fagan Inspection after Michael Fagan, the inventor of the process.


When developers review their own work products they are often blind to many of the defects that are present. The use of inspections applies a rigorous process and a group of people to look for defects in a work product. Inspections can be used at every level of the software development process: requirements, design, code, and even test cases. The word inspection explicitly refers to a specific type of code review that follows a rigorous process. Other activities are likely a less formal type of review.


Of all types of reviews, inspections have been found to be the most effective. They are also the most difficult and costly to implement.


Studies have shown that having two to three reviewers is the most efficient number. As the number of reviewers increases, the law of diminishing returns kicks in and no extra defects are found -- most of the defects found will already have been found by another reviewer. The data have shown that two or three reviewers is the "sweet spot".


See also


  Results from FactBites:
 
Inspection - Wikipedia, the free encyclopedia (492 words)
A property inspection is the examination for purposes of evaluating a property's condition.
The railroad's inspection locomotive were special types of steam locomotive designed to carry railroad officials on inspection tours of the railroad property.
A vehicle inspection, e.g., an annual inspection, is a necessary inspection required on vehicles to conform with laws regarding safety, emissions, or both.
Vehicle Inspection In Vermont (427 words)
The fee for the inspection shall be based on the hourly rate of the official inspection station or may be a flat rate fee.
The inspections shall be made at garages or qualified service stations, designated by the commissioner as inspection stations, for the purpose of determining whether those motor vehicles are properly equipped and maintained in good mechanical condition.
If a fee is charged for inspection, it shall be based upon the hourly rate charged by each official inspection station or it may be a flat rate fee and in either instance the fee shall be prominently posted and displayed beside the official inspection station certificate.
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