2.5. Procedure A list of all secondary schools in one county in the Republic of Ireland was obtained from the Department of Education and Science website [13]. Each school was telephoned to ascertain their eligibility for inclusion in the project. A school was considered eligible if they had a Transition Year Programme in the school that included computer classes. A letter was sent to the Principal of each eligible school with details of the research proposal. The principal was asked to respond by post (SAE provided), telephone, or email if interested in participating. A follow-up telephone call was made to any school that failed to respond within two weeks. Parental and student information and consent forms were then posted to the schools for distribution by the Principal. Each school was contacted to arrange the school visits. Each school was visited on four occasions. The first two were used for the collection of consent forms, and to allow the students to become accustomed to the researcher’s presence in the computer room. The second two sessions were used for data collection. A modified BDC and a set of modified VAS were distributed at the beginning and end of the class. The students were instructed to mark on the BDC any areas of discomfort or pain and to rate the severity of the pain/discomfort in each specified area on separate VAS. The posture of each student at a computer was observed and assessed. RULA recording started approximately ten minutes after the class began to allow the students to settle. Each student was observed for a 10-minute period of time during the class. The most usual posture of the student during these 10 minutes was noted and was scored using RULA. The results of the BDC and VAS were calculated and analysed.