The most common definition of UX is the aggregation of user experience. It is also known as user research or usability.
Univariate techniques refer to the statistical analysis when only one variable is taken into account at a time.
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.
A unique user, or "unique," is an individual user of digital media, or, more correctly, an individual browser or device, that has accessed or visited a specific media property, such as a web sites or app, or been exposed to some specific digital content, such as an ad, social media feed,…