Work Package 5 (WP5) of the integrated EU research project DRUID (Driving under the Influence of Drugs, Alcohol and Medicines) deals with rehabilitation of substance impaired drivers. The overall aim of WP5 is to increase knowledge and to elaborate Europe-wide standards on intervention measures for offenders under the influence of alcohol (DUI) and illicit drugs (DUID). The development of the evaluation instrument itself was carried out within the WP5 research team. This was done during WP5 meetings, several WP5 sub team sessions, via telephone and e-mail between team members. The development process took place in a coordinated way, i.e. all main development steps were arranged within the WP5 team. While major parts of the tool development were carried out by the leading partner KfV, all other partners were involved in the reviewing and feedback phase. Moreover, in the cross-checking phase of the tool development external experts from several disciplines relevant for or linked to DR, driver assessment and/or road safety were involved.The result of the research activity in WP5.2.2 is DRET, the Driver Rehabilitation Evaluation Tool. It covers the main technical issues of DR measures. 32 contents/items have to be evaluated in total whereby 15 items focus on (national) DR system issues and 17 items on single programme level. Evaluation of DR system and single programme is separated, DRET-S refers to the first and DRET-P to the second one. In order to assess single DRET contents against the DRUID WP5 standards relevant WP5 research outcomes are additionally provided. The evaluation is carried out by means of a categorical answering mode with four alternatives (yes, partly yes, no, don’t know) supported by a colour system. In principle, answering could be done either in an electronic or paper-pencil mode. (Author/publisher) This document is available at https://www.bast.de/Druid/EN/Home/home_node.html
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