| Summary: | Abstract. The Greek version of the Oldenburg Burnout Inventory (OLBI), used to assess exhaustion and disengagement from work, was analyzed using item response theory analyses to investigate the dimensionality and the psychometric properties of the measure’s items. The OLBI was administered to 617 Greek employees, of whom 314 also participated in the validation study. The results indicated that four negatively keyed items from the original measure exhibited excellent psychometric properties (item/test information functions) and were used for the construction of a shorter version of the OLBI. The scr-OLBI, composed of the first letters of the word “screening,” was tested for differential item functioning between male and female employees; no bias was detected in relation to gender. Our results reveal that the scr-OLBI is a reliable and valid indicator of work-related burnout, which appears to be functionally equivalent to the original version both theoretically and empirically, yet exhibits the advantages of a short measure.
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