An adaptation of a technique devised by Mischel (1958) was used in the longitudinal study to measure delay of gratification. Adaptations involved (1) asking the child to identify the larger of two pieces of candy to facilitate comprehension of the rewards, (2) specifying a standard time limit for receipt of the delayed reward which would be…

The Form Reproduction task was included in the longitudinal study test battery to: (1) examine visual-motor performance over time; (2) study processes associated with visual analysis and synthesis and visual-motor integration; and (3) examine its predictive validity for later academic/skill behaviors, e.g., writing. Form Reproduction in Year 1…

The Sigel Object Categorization Test (SOCT) is used for studying classification abilities in young children, the criteria for which is considered indicative of both cognitive ability and style. The test consists of two types of stijuli--one set of 12 relatively familiar three-dimensional objects and a second set of colored photographs of these…

The Seguin Form Board Test is used to assess visual discrimination and matching and eye-hand coordination. Previous analysis has shown the vactor loadings for the same scale to differ among age levels, so the test may be measuring different abilities at different age levels. Test materials consist of ten differently shaped wooden blocks and a…

This is the second of two measures designed for this study to test the child's vigor. The measure consists of instructing the child to turn a large wooden crank, mounted on a stand, as fast as he can until the E says to stop. Two trials of 15 second each, preceded by a practice trial, were presented. The score was the number of turns completed in…