As part of its 6-year longitudinal study designed to assess the impact of Head Start, Educational Testing Service (ETS) has summarized and compiled tables of data collected on 16 of the 33 instruments administered to children in 1969 in three sites (St. Louis, Missouri; Trenton, New Jersey; and Portland, Oregon). Data from the parent interview and the child's medical examination is also included. The 806 tables are reproduced as computer printouts. Topics are: (1) Health Information, (2) Parent Interview, (3) Boy-Girl Identity Task, (4) Brown IDS Self-Concept Referents Test, (5) Cooperative Preschool Inventory (Caldwell), (6) ETS Enumeration Task I, (7) ETS Matched Pictures Language Comprehension Task I, (8) ETS Story Sequence Task, (9) Fixation Time, (10) Hess and Shipman Toy Sorting Task, (11) Johns Hopkins Perceptual Test, (12) Matching Familiar Figures Test, (13) Motor Inhibition Test, (14) Open Field Test, (15) Risk Taking Task 2, (16) Seguin Form Board, (17) Vigor. The narrative portion of this report (Volume 1) is PS 004 436. Other reports of the ETS study are ED 037 486, ED 043 391, and ED 043 397. (WY)