A Shelley Controversy

RDA: an innovation in cataloguing

“…Rather, they adopt in an over-time sequence, so that individuals can be classified into adopter categories on the basis of when they first begin using a new idea." 22 The characteristics of the individuals identified can be applied to individual libraries (as shown in Table 1): The mean point, expressed as the average time of adoption, lies at the boundary of the early majority and the late majority. Based on Rogers' assumptions, most libraries will have adopted RDA with the start of the late majority.…”