RT Journal Article SR Electronic T1 Opening Remarks JF Harvard Educational Review JO herp FD Harvard Educational Press SP 381 OP 382 DO 10.17763/haer.52.4.0149m7565013313u VO 52 IS 4 A1 Ylvisaker, Paul YR 1982 UL http://harvardeducationalreview.org/content/52/4/381.abstract AB Formal education today is under siege from four directions. Demographic trends have made the learning needs of those beyond the age of conventional schooling competitive with our traditional clientele. The revolution in communications is transforming our mode and concepts of teaching and learning. Affluence has given way to scarcity; retrenchment has become the inevitable order of the day as an expanding world population with an expanding claim to equal rights and equal privileges comes up against a finite rate of economic growth.