“…Some of these studies investigated the effects of the length of clinical experience (Numminen et al, 2013;Takase, 2013;O'Leary, 2012) and the frequency of using competence (i.e., using knowledge and skills in practice) (HengstbergerSims et al, 2008;Numminen et al, 2013;O'Leary, 2012) on the development of nursing competence. In general, the level of competence is considered to correlate with the length of clinical experience (Takase, 2013), as more experience means that nurses have more opportunities to learn from practice.…”