Fig. 1From: Assessing the precision of a time-sampling-based study among GPs: balancing sample size and measurement frequencyMoments on which a GP indicates I am working or not, with an SMS in different time slots. For a GP working on weekdays and from 7:30 am to 4:30 pm with a 1-h break in the afternoon. The beginning of the working day by a 30-min time slot was set at a couple of minutes from 7:30 am to simulate the CIsBack to article page