n. scales which assess the stages of development among infants and toddlers between the ages of 1 to 42 months. The test provides simple, everyday stimuli such as blocks, shapes, boards, and other items commonly seen in the household. The key is to engage the child’s attention and elicit a specific response. All in all, there are five scales to the test and they include those of the Mental, Motor, Behavior Rating/Infant Behavior, Social-Emotional, and Adaptive Behavior scales.
BAYLEY SCALES OF INFANT AND TODDLER DEVELOPMENT: “Together, the Mental and Motor components of the Bayley Scales of Infant and Toddler Development evaluate a child’s attention and engagement on an activity, along with his or her ability to perform movements and manipulate objects. “