One in a series of five publications reporting the results of a national career development needs study of four different age levels, this document presents a cross-sectional study of the data collected from samples of nine-year-olds, thirteen-year-olds, seventeen-year-olds, and adults (ages 26-35). An overview describing the assessment procedures, objectives, survey, subpopulations included, summary of the results, and possible uses of the career development needs series precedes a cross-sectional analysis of the data based on the following five objectives: prepare for making career decisions, improve career and occupational capabilities, possess skills that are generally useful in the world of work, practice effective work habits, and have positive attitudes toward work. Statistical tables are also included. (BM) Aspect of National Assessment (NAEP) dealt with in this document: Results (Interpretation).