1. The relations of achievement need, time perspective, and field articulation to academic performance;Acker,1969
2. The need for achievement as measured by graphic expression;Aronson,1958
3. Personality dynamics;Atkinson;Annual Review of Psychology,1960
4. A theory of achievement motivation;Atkinson,1966
5. A new matrix for the assessment of factor contributions;Bentler;Multivariate Behavioral Research,1968