An individual's belief about his or her ability to perform a behavior successfully is called

An individual's belief about his or her ability to perform a behavior successfully is called "self-efficacy".

Self-efficacy alludes to apparent capacities for learning or performing practices at assigned levels. Self-efficacy can impact selection of exercises, exertion, diligence, and accomplishment. Individuals procure data about their self-efficacy for a given action from their real exhibitions, vicarious encounters, types of influence, and physiological side effects.

During the paleolithic, hominins grouped together in small societies such as bands, and subsisted by gathering  plants  and fishing, hunting or scavenging wild  animals. the paleolithic is characterized by the use of knapped stone tools, although at the time humans also used  wood  and bone tools.