The Inter-American Test of General Abilities (TOGA) for bilingual children has parallel Spanish and English forms which have been used to determine language proficiency and dominance. Generally, there has been little emphasis on measuring such physical test features as size, spacing, color, and typeface. The purpose of this study was to determine whether the Oral Vocabulary subtest of TOGA, Level I, significantly affects the test performance of Spanish-speaking youngsters. Results indicate that spacing is a significant factor in the test performance of Spanish-speaking youngsters on this test. It is emphasized that lack of research concerning format factors, particularly at the elementary school level, requires prompt action. (BJG)