The human resource manager recommended hiring Matthew rather than MaryAnne because the position required someone who was dominant and would be respected and men are naturally more assertive. The manager's assumption is an example of a(n) . Once Matthew started his job, it became apparent that he tended to overestimate his capabilities and told everyone he made significant contributions to the corporation in his first week alone. The other managers at the company viewed Matthew as bossy and self-centered. Matthew's opinion of himself demonstrates a(n)