Preferentially copying successful members of the group allows individuals to avoid costly trial-and-error learning by imitating the better-than-average skills of the more prestigious cultural models.
There is a genetic predisposition for tool use in this species, which is then refined by individual trial-and-error learning during a sensitive phase early in development.
Rather, it refers to a constructive process where idea generation (creative thought), experimentation and trial-and-error learning are combined in a search for products or services that provide a competitive advantage.