FIFTY DISADVANTAGED CHILDREN, RANGING IN AGE FROM 33 TO 56 MONTHS, PARTICIPATED IN A 7-MONTH PRESCHOOL EDUCATIONAL PROGRAM DESIGNED TO IMPROVE THEIR LANGUAGE AND SOCIAL SKILLS. THE ILLINOIS TEST OF PSYCHOLINGUISTIC ABILITIES, THE PEABODY PICTURE VOCABULARY TEST (FORM A), AND THE VANCE LANGUAGE SKILLS TEST MEASURED THE CHILDREN'S DEVELOPMENT IN…

Sixty-seven Mexican-American children were administered a special 7-week Head Start language training program during the summer of 1967. Three basic treatments were used, and there was a control group. Two teachers were used, thus raising the number of groups to eight. The three basic treatments involved a structured English language training…