Developed specifically for the ETS-Head Start Longitudinal Study, the ETS Enumeration I and II Test is designed to measure early numerical ability. Enumeration I tests the ability to itemize each member of a set by using a task that requires neither counting nor reciting the names of numerals. The purpose of the task is to assess the child's…

The ETS Matched Pictures test was used in the longitudinal study to measure children's comprehension of certain grammatical features, such as past and future tenses, negation and prepositions. The task materials for both I and II consist of a set of cards, with each card having a pair of black and white pictures. Both pictures in a pair contain…

The Peabody Picture Vocabulary Test is well known and widely used in testing the verbal ability of young children. In the longitudinal study, the standard Peabody test booklet was used in Year 1. In Year 2, a special ETS adaptation of the first 60 items was used, in which there were redrawings of a number of the human pictures to present black…

The Spontaneous Numerical Correspondence Test is an adaptation of a Piagetian procedure. Here the tester sets out an array of blue ceramic tiles and, providing the child with his/her own box of 15 blue and 15 red tiles, asks the S to take out the same number. The task is repeated four times: twice with 7 tiles, once with 8, and once with 10. In…

The Preschool Embedded Figures Test (PEFT), based partly on the Children's Embedded Figures Test, is a measure of field independence, or analytic functioning. It is intended to investigate the development of psychological differentiation in children as young as age three. The PEFT contains 27 black and white drawings (3 practice drawings and 24…