Welcome to Practical Sampling International!
118b, Bisi Obadina Street, Omole Phase 1


Our Services

PSI has the capacity to adopt different approaches for data collection

PSI is a leading research organization in conducting social research and opinion polls in Nigeria and other West African Countries. We also carry out research in different sectors which includes Media ,Automotive, Agricultural, Pharmaceutical, Health, Telecommunication, Advertising (pre & post), Financial, FMCG, Retail Audit, Customer Satisfaction, IT, Segmentation, Mystery Shopping, Opinion Poll, Desk Research and Sponsorship Tracking.

Our scope cuts across household surveys, consumer research, industrial/corporate research, trade research, business to business studies, product testing, central location test, in-home and in-store observations, telephone and on-line interviews.  

PSI uses CATI: Computer Assisted Telephone Interview, CAPI: Computer Assisted Personal Interview to conduct both qualitative and quantitative interviews and PAPI (Paper and Pen Assisted Interview).

Research Techniques

Face-to-face Interview

One-on-one interview with a respondent using Electronic device (Tablets) and sometimes, using pen and paper

Online survey

A web based interview where respondents are allowed to complete online questionnaire under supervision by an experienced interviewer.

Telephone Interview

Valid respondents’ data base is required for this approach to work.  PSI has up to 33,102,000 phone numbers/contacts from which a national representative sample could be selected.

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