| A | B |
| attachment | The bond between a parent or caregiver and a child. |
| emotional development | The process of learning to recognize and express one's feelings and to establish one's identity as a unique person. |
| failure to thrive | A condition in which the baby does not grow and develop properly. |
| social development | The process of learning to interact with others and to express oneself to others. |
| colic | A baby's being extremely fussy every day. |
| pacifier | A nipple attached to a plastic ring. |
| stranger anxiety | A baay's fear of unfamiliar people, usually expressed by crying |
| attention span | The length of time a person can concentrate on a task without getting b.ored. |
| cause abd effect | The idea that one action results in another action or condition. |
| concrete operations period | Piaget's third stage of learning, during which children can think logically but still learn best from direct experience |
| formal operations period | Piaget's fourth stage of learning, during which children become capable of abstract thinking. |
| object permanence | The idea that objects continuue to exist even when they are out of sight. |
| perception | The ability to learn from the senses. |
| preoperational period | Piaget's second stage of learning, during which children think about everything in terms of their own activities and what they perceive at the moment. |
| sensorimotor period | Piaget's first stage of learning, during which babies learn primarily through their senses and their own actions. |
| symbolic thinking | The use of words and numbers to stand for ideas. |
| age appropriate | Suitable for the age and individual needs of a child. |
| childproof | Taking steps to protect a child from possible dangers in the home. |
| recall | The order of the Consumer Protection Agency to take a product off the market or bring it back to the manufacturer for repairs because it is not safe. |