Damanhour’s hospitals were stratified to cover the public and private sectors and half (50%) of them (eight) were randomly selected according to the proportional allocation method of sampling (Pedhazur and Schmelkin, 1991).
Damanhour’s hospitals were stratified to cover the public andprivate sectors and half (50%) of them (eight) were randomlyselected according to the proportional allocation method ofsampling (Pedhazur and Schmelkin, 1991).