The main review types that come under the static testing are mentioned below:

 1.    Walkthrough:

• It is not a formal process
• It is led by the authors
• Author guide the participants through the document according to his or her thought process to achieve a common understanding and to gather feedback.
• Useful for the people if they are not from the software discipline, who are not used to or cannot easily understand software development process.
• Is especially useful for higher level documents like requirement specification, etc.

The goals of a walkthrough:

• To present the documents both within and outside the software discipline in order to gather the information regarding the topic under documentation.
• To explain or do the knowledge transfer and evaluate the contents of the document
• To achieve a common understanding and to gather feedback.
• To examine and discuss the validity of the proposed solutions

2.    Technical review:

• It is less formal review
• It is led by the trained moderator but can also be led by a technical expert
• It is often performed as a peer review without management  participation
• Defects are found by the experts (such as architects, designers, key users) who focus on the content of the document.
• In practice, technical reviews vary from quite informal to very formal

The goals of the technical review are:

• To ensure that an early stage the technical concepts are used correctly
• To access the value of technical concepts and alternatives in the product
• To have consistency in the use and representation of technical concepts
• To inform participants about the technical content of the document

3.    Inspection:

• It is the most formal review type
• It is led by the trained moderators
• During inspection the documents are prepared and checked thoroughly by the reviewers before the meeting
• It involves peers to examine the product
• A separate preparation is carried out during which the product is examined and the defects are found
• The defects found are documented in a logging list or issue log
• A formal follow-up is carried out by the moderator applying exit criteria

The goals of inspection are:

• It helps the author to improve the quality of the document under inspection
• It removes defects efficiently and as early as possible
• It improve product quality
• It create common understanding by exchanging information
• It learn from defects found and prevent the occurrence of similar defects

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