Need for achievement is a term according to trait theory which is the extent to which a person desires to be successful. Need for achievement is the motive to engage in and succeed at entrepreneurial achievement behavior; the need to achieve, overcome obstacles, excel, and live up to a high standard. Need for achievement (n Ach) is McClelland’s depiction of achievement motivation as a learned motive to compete and to strive for success in situations in which one’s performance can be evaluated against some standard of excellence Please see also Need for achievement (nAch)