Identify population and select sample simple random sampling Stratified random sampling Cluster sampling Choose methods(channel where applicable) Decisions on Quantitative methods Face to face interviews Mail surveys Telephone interviews Internet surveys(email and web based)Choose methods (channel where applicable) Decisions on Quantitative methods • Face to face interviews • Mail surveys • Telephone interviews • Internet surveys (email and web based) Identify population and select sample •Simple random sampling •Stratified random sampling •Cluster sampling