This is a single-blinded controlled cluster-randomized intervention trial recruiting staff from 24 NHs in three counties in the region of Western Norway, randomly selected from the total NH population in the region. A cluster is defined as a working ward of a larger NH, without shared facilities or staff. The 24 NHs are randomized into two groups, for intervention (12) and control (12). One department in each is selected for intervention and data collection will take place also in one department in each of the NHs in the control group. Hence the analyzed units (clusters) are NH departments. The educational intervention (EI), Relation Related Care (RRC), consists of a two-day seminar and one hour monthly guidance for six months. A seven-month educational intervention will be performed, and due to ethical issues the control group will receive the same intervention after the second follow-up. Effects will be measured on resident and care staff level at baseline before randomization, after the intervention (7 months) and at follow-up (7 months later) of the intervention group.