Sentence:  Those who , because of population mobility and the reputed desire of employers to train their own employees , would limit vocational education to general rather than specific skills ought to bear in mind the importance of <WSD>motivation</WSD> in any kind of school experience . 
Meaning of the word marked with <WSD> tags:  the psychological feature that arouses an organism to action toward a desired goal; the reason for the action; that which gives purpose and direction to behavior