This Study Investigated the psychometric characteristics of vocabulary intelligence test according to latent trait theory. by administering the test to randomly selected 246 students between 5-9 years old distributed over Kg2 and 1st . 2nd and 3rd Primary grade from the government schools in Irbid city. The Dichotomous model was used to analyze data. https://miamistares.shop/product-category/mug/