Baker Depression Self-rated Scale BDI-IA
The Beck Depression Inventory (BDI) is a commonly used depression symptoms assessment tool designed to measure a person's depression level over the past two weeks. BDI was designed by psychologist Aaron T. Beck and colleagues and was first published in 1961. BDI-IA is the initial version of BDI. After many revisions and improvements, the BDI-II version is currently available. BDI-IA contains 21 gr...