Steven, a construction worker, tends to buy a new gadget if most of his friends have them and only after they've teased him about not having the gadget yet. he relies on reviews from his friends rather than on television or newspaper advertisements to make his purchase decisions. it can be inferred that when it comes to the diffusion of innovation, steven belongs to the group of

late majority

Explanation:

Late majority -  

It is the second last segment of the population which adopts to the innovative technology , is known as the Late majority .

The people falling in this segment of late majority around 34 % of the total population .

hence , from the question , Steven falls in this segment of Late majority .

the branch of biology that deals with the normal functions of living organisms and their parts.

the way in which a living organism or bodily part functions.