Table 2

Methodological steps used to develop a yardstick for data collection instruments

Step oneReview of literature
Step twoDevelopment of a desirable criterion for inclusion
Step threeDevelopment of a standardised data collection form including standardised descriptions
Step fourDevelopment of an information/instruction sheet
Step fiveValidation of the yardstick by an expert panel
Step sixTesting of the yardstick by trained raters on a predetermined set of injuries
Step sevenTesting of the yardstick in situ