Demographic Data Demographic Data Sheet The DDS was .... Boyd, RD (1964). analysis of the ego stage development of school age children. .... Boyd, RD (1961). Basic motivation of adults in noncredit programs. .... (2059 8 )
Retirees' Experiences FINDINGS This research explored ret .... Psychology and Aging, 2(4), 383-389. Boyd, RD & Koskela, RN (1970). A test of Erikson's theory of ego-stage development by means of a self-report instrument. .... (5108 20 )
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