Phase (2): Implementation phase:
The data collection was carried out from 23 February until 23 May 2012, the researcher intro-duced himself to initiate line of communication, oral permission for voluntary participation was obtained from nurses, the purpose, steps and benefits of study were explained to nurses, confidentiality and anonymity of data was ensured, the knowledge of each nurse involved in the study was assessed by questionnaire sheet through semi structured interview and the observation checklist was carried out by the researcher while the nurses were on duty during morning.