Quantitative services offered by Rahbar provides clients with numbers and statistics that helps them in their scientific investigations and to test their theories or hypothesis. In general, quantitative research is used wherever a head count is needed or where there is an interest in comparing views and behaviors of people of different ages, genders or income groups. Our expertise and well defined policies and Computer-Assisted Web Interviewing (CAWI) and Computer-Assisted Telephone Interviewing (CATI) techniques enable us to provide strong services in this field. We have extensive experience and knowledge in conducting fieldwork at various places.