Test development is best carried out by a team. It is difficult to develop a test by individual, especially in the stage of item writing. When fault in item writing is obvious for others it could be invisible for the writer. There are some qualities necessary possessed by an item writer, one of them is the willingness to accept justified criticism. Other qualities for item writer or test developer are native or near native command of the language, intelligence and imagination (to create context for an item and foresee possible misinterpretation).
The following are stages of test construction: