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Across 5. The understanding that matter can change in appearance without changing in quantity. 6. The period when toddlers experience rapid vocabulary growth typically beginning between 16 and 24 months. (2 Words) 8. A pattern of attachment in which an infant readily separates from the parent, seeks proximity when stressed, and uses the parent as a safe base for exploration. (2 Words) 9. Combination of gestures and single words that convey more meaning than just the word alone. 11. The ability to correctly label oneself and others as male or female. (2 Words) 13. The young child's belief that everyone sees and experiences the world the way she does. 17. A style of parenting that is low in nurturance and communication, but high in control and maturity demands. (3 Words) 18. The ability to identify with another Preston's emotional state. 19. Piaget's first stage of development in which infants use information from their senses and motor actions to learn about the world. (2 Words) 23. Behavior that is atypical for one's own sex typical for the opposite sex. (3 Words) 24. An understanding that enables a child to look at a situation from another person's point of view and determine what kind of information will cause that person to have a false belief. (2 Words) 27. An innate language processor, theorized by Chomsky, that contains the basic grammatical structure of all human language. (3 Words) 28. A range, established by one's genes, between upper and lower boundaries for traits such as intelligence; one's environment determines where, within those limits, one will be. (2 Words) 29. Piaget's second stage of cognitive development, during which children become proficient in the use of symbols in thinking and communicating but still have difficulty thinking logically. (2 Words) 30. A pattern of responding to people and objects in the environment. 32. The deliberate experimentation with variations of previous actions that occurs in substage 5 of the sensorimotor period. (3 Words) 33. The understanding that objects continue to exist when they can't be seen. (2 Words) 36. The period during which the grammatical features of children's speech become more similar to those of an adult speech. (2 Words) 38. The ability to take in information and use it to adapt to the environment. 39. The process of drawing conclusion about the self based on comparison to others. (2 Words) 42. Children's understanding of the sound patterns of the language they are acquiring. (2 Words) 43. The emotional tie to a parent experienced by an infant, from which the child derives security. 45. The process of experiences on the basis of temperament. (2 Words) 46. An infant's use of others' facial expressions as a guide to his or her own emotions. (2 Words) 47. Simple two-word sentences that usually include a noun and a verb. (2 Words) 48. A form of aggression in which electronic communication are used to intentionally inflict harm on others (2 Words) 49. Expressions of discomfort, such as crying, when separated from an attachment figure. (2 Words) 50. A brain structure that is important in learning 51. The degree to which an infant's temperament is adaptable to his or her environment, and vise-versa. 52. A set of behaviors that usually lead to being accepted as a play partner or friend by peers. (2 Words) 53. Knowledge about how the mind thinks and the ability to control and reflect on one's own thought processes.

Down 1. A discipline strategy in which parents explain to children why a punished behavior is wrong. (2 Words) 2. The view that infants are biologically predisposed to form emotional bonds with caregivers and that the characteristics of those bonds shape later social and personality development. (2 Words) 3. A research strategy in which researchers move an object in one way after having taught an infant to expect it to move in another. (2 Words) 4. Knowledge about how memory works and the ability to control and reflect on one's own memory function. 7. Imitation that occurs in absence of the model who first demonstrated it. (2 Words) 10. Behavior intended to harm another person or an object. 12. A style of parenting that is high in nurturance and, and low in maturity demands, control, and communication. (3 Words) 14. An information processing approach to gender concept development, asserting that people use a schema for each gender to process information about themselves and others. (3 Words) 15. A style of parenting that is high in nurturance, maturity, demands, control, and communication. (3 Words) 16. Attachment of regular inflections to irregular words, such as the substitution of 'goed' for 'went'. 20. Inborn predispositions, such ad activity level, that form the foundations of personality. 21. The understanding that gender is a component of the self that is not altered by external appearance. (2 Words) 22. The theoretical perspective that asserts that social and personality development in early childhood is related to improvements in the cognitive domain. (3 Words) 25. Expression of discomfort, such as clinging to the mother, in the presence of strangers. (2 Words) 26. A mutual, interlocking pattern of attachment behaviors shared by a parent and child. 31. Behavior intended to help another person. (2 Words) 34. The ability to control emotional states and emotion-related behavior. (2 Words) 35. A complex form of aggression in which a bully routinely aggresses against one or more habitual victims. 37. The young child's tendency to think of the world in terms of one variable at a time. 40. The ability to categorically link new words to real world referents. 41. The process through which brain functions are divided between the two hemispheres of the cerebral cortex. 44. Substage 4 infants' tendency to look for an object in the place where it was last seen (position A) rather than in the place to which they have seen a researcher move it (position B) . (2 Words)