Ipsos Encyclopedia

​A usage and attitude (U&A) study involves research which aims to 'understand a market' and identify growth opportunities by answering questions on whom to target, with what and how.

An opinion poll is a broad term used for any typically public-facing (and often published) survey/poll designed to better understand public opinion.

Crowdsourcing is typically an online effort to obtain information, ideas, content, services or input from a large group of people for a specific project or initiative, either paid or unpaid.