The textbook describes research by Todorov and colleagues in which participants rated a large number of faces along different personality dimensions. Which two dimensions stood out as the main dimensions used in these ratings?

Trustworthiness and dominance are the two dimensions stood out as the main dimensions used in these ratings.

The ability of a person to be reliable or to be honest refers to the trustworthiness of the person. The power and the influence that one person has on the other person refers to the dominance of that person. Trustworthiness is a major things that all person expects  from the other when they wish to get something from that person.

Dominance can be considered to be with the people who have the ability to control and coordinate others for doing something. The two dimensions that are considered to be the most important things used in the research by Todorov and colleagues include Trustworthiness and dominance.

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.