Evaluation of Beck Depression Inventory Essay Example | Topics and Well Written Essays - 1750 words

Evaluation of Beck Depression Inventory - Essay ExampleThe reliability and validity of the test was shown to be very strong with reliability coefficients ranging from .77 to .89 in different studies and a strong correlation with make believes of other common cock. The tool was also shown to be of import across several settings from clinical, through counseling to research purposes and finally, the strength and weakness of the instrument were considered.The Beck Depression Inventory is a psychological test that is widely sleep together and accepted. The test was first created by Beck and his colleagues in the 1960s however, since then the reliability and validity of the instrument have been examined in several languages amongst several populations and the general readiness of the test as an instrument for measuring cognitive values has been widely established. The Beck Depression Inventory comes in questionnaire form that allows for self rating based on a point grade system of t he questions contained in the questionnaire.Arnault, Saint, Shinji Sakamoto, Aiko Moriwaki (2006) reports that a study has been carried out with a Japanese population that validated the use of the instrument, Chellappa and Arajo 2006 also account a validation of a Portuguese version of the test among a Brazilian sample, while Carano et al. (2006) also reported a stock taking and evaluation of the Psychometric properties of the test after twenty five years carried out by Beck et al (1988)Obviously, Beck Depression Inventory has undergone serious and several tests of validity, reliability and efficiency, and in most cases, the value of the instrument in measuring depressive symptoms have been credibly established.Purpose, Design and Format of Beck Depression InventoryIn the commonest cases, and perhaps, as the name of the instrument suggests Beck Depression Inventory is an instrument that is used for taking inventory of the depressive tendencies and/or depressive symptoms in a sample population. It is sometimes used in conjunction with other psychological tests to evaluate other forms of cognitive values, for instance, Zywiak et al (2006) made use of BDI as an instrument to predict negative affect relapses in men undergoing formal discourse for alcoholism. However, in most cases, Beck Depression Inventory is aimed at measuring the severity of effect in a population. The questions of the instrument are so designed as to evaluate the patients self report of activities, moods and behaviors for signs of depression symptoms and the severity of the symptoms, if present. In this regard, the instrument contains twenty one items that focuses majorly on the cognitive symptoms of depression. Each items in the instrument is rated on a four-point Likert-type scale with scores ranging from 0 - 3. The sum of the points of all the items in the instrument indicates the BDI score of the client, which is also an indication of the presence or otherwise, and the severity of depre ssion in the client. The add up possible score of the instrument is 84. A BDI score of between 0 and 9 is regarded as lack of, or minimal depression, total BDI scores of 10 - 18 is an indication of mild depression, while a total BDI score of 19 - 29 is an indication of moderate depression, any score above 29 is an indicati