8Confessore G J. An Introduction to the Study of Self-directed Learning[ A ].In Confessore, G.J.& Confessore S.J.( eds. )Guide-posts to Self-directed Learning: Expert Commentary on Essential Concepts. King of Prussia, PA: Organization Design and Development,Inc., 1992:1-6.
9Carr P B. The Measurement of Resourcefulness Intentions in the Adult Autonomous Learner[ D ].( Doctoral Dissertation,The George Washington University, 1999 ). Dissertation Abstracts International, 1999,60,3849.
10Derrick M G. The Measurement of an Adult's Intention to Exhibit Persistence in Autonomous Learning [ D].( Doctoral Dissertation. The George Washington University, 2001 ). Dissertation Abstracts International, 2001,62,2533.