Psychometric and utility studies on Social Emotional Assessment Measure (SEAM), an innovative tool for assessing and monitoring social-emotional and behavioral development in infants and toddlers with disabilities, were conducted. The Infant and Toddler SEAM intervals were the study focus, using mixed methods, including item response theory…

Many studies using questionnaires and observational methods to collect information on the pointing gesture in infants have recently been performed. However, no study based on long-term observation is presently available that deals with the appearance and development of pointing as an interaction between mothers and their children. Therefore, this…

A study was conducted to examine how different kinds of children's nonverbal behavior developed across grade levels. The six kinds of behavior studied were (1) proxemic, or observance of personal space; (2) haptic, or touching behavior; (3) oculesic, or gazing; (4) kinesic, or interpreting emotions from facial expressions; (5) vocalic, or…