The concept of the diffusion of innovation shows how a product "diffuses" or spreads through the population over time. The consumer population is divided into five categories of product adopters based on when they adopt (i. e., first buy) a new product. Each product adopter category has a unique profile. Consumers who are venturesome, highly educated, and use multiple information sources are called product adopters.

Innovators

Explanation:

the five categories of product adopters are innovators, early adopters, early majority, late majority, and laggards.

Innovators are attracted to new ideas and technology. they take more risk and they are venturesome

early adopters create trends and when making choice about which technology to adopt they are concerned about peoples opinions.

Early majority choose a technology only if it useful to them

late majority share some characteristics with early majority but they are usually more cautious

laggards adopt new technology only when they have to or being forced

i would say iii (3) because in order to compare a price you have to use as a reference other near stores because it's its

hope i explained myself