Figure 2

Development of instrumental, conceptual and persuasive research use across the first five years of practice. Estimates from a Latent Growth Model and a revised model (freeing the second time point from being included in the linear model). Extent of research use during the previous four working weeks were assessed on a response scale from 1 to 5 (the y-axis: 1 = 'never,' 2 = 'on some shifts,' 3 = 'on about half of the working shifts,' 4 = 'on more than half of the working shifts,' 5 = 'on almost every shift'). High values indicate high extent of research use and low values indicate low extent.