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Depression is one of the most prevalent psychological disorders in the world, and it can be estimated with the help of a number of different instruments. Beck Depression Inventory (BDI) is one of the most popular self-assessment instruments in the world to determine depressive symptoms. This instrument was initially proposed by Aaron Temkin Beck and his colleagues, and has been used in over 7,000 studies (Wang & Gorenstein, 2013).
Revisions of BDI
Since its development, BDI has gone through two major revisions. One revision occurred in 1978, when it was modified into BDI-IA, and the second important revision occurred ...