PSYC 140 Exam 3 Questions and Answers | 120+ Practice Questions on Infancy, Piaget's Sensorimotor Stage, Attachment Theory, Brain Development & Early Childhood

Prepare thoroughly for PSYC 140 Exam 3 with this comprehensive collection of 120+ exam-style questions and verified answers covering the core principles of infant development, cognitive development, attachment theory, early brain development, temperament, and physical growth during infancy and early childhood. Designed for university students, this study guide reinforces essential developmental psychology concepts through a structured question-and-answer format that promotes active recall, conceptual understanding, and long-term retention. It is an excellent revision resource for quizzes, module assessments, midterm examinations, final exams, and introductory developmental psychology courses. This study guide provides extensive coverage of Piaget's sensorimotor stage and its six substages, primary, secondary, and tertiary circular reactions, object permanence, schemas, assimilation, accommodation, infant reflexes including rooting, Moro, grasping, Babinski, and stepping reflexes, cephalocaudal and proximodistal patterns of development, gross and fine motor development, neural development, synaptogenesis, neural pruning, REM and non-REM sleep, infant crying and soothing techniques, the 5 S's of infant soothing, shaken baby syndrome, language acquisition and the critical period, temperament classifications by Thomas and Chess, easy, difficult, and slow-to-warm-up temperament, Mary Ainsworth's Strange Situation, secure, anxious-ambivalent, anxious-avoidant, and disorganized attachment, Bowlby's attachment theory, Erikson's theory of trust versus mistrust, Harlow's attachment research, factors influencing attachment, genetics versus environment, early brain plasticity, and the "use it or lose it" principle of cognitive development. The material integrates theoretical concepts with realistic examination scenarios, enabling students to confidently apply developmental psychology principles to both academic assessments and real-world developmental situations. The content aligns with internationally recognized developmental psychology textbooks and empirical research, including Berk's Development Through the Lifespan, Santrock's Life-Span Development, Papalia and Martorell's Experience Human Development, Berger's The Developing Person Through Childhood and Adolescence, Piaget's cognitive development theory, Bowlby's attachment theory, Mary Ainsworth's attachment research, and the pioneering work of Thomas and Chess on infant temperament. These authoritative references are widely adopted in undergraduate psychology, education, nursing, counseling, and child development programs, ensuring that this study guide reflects current university curricula and evidence-based developmental science. References Berk, L. E. (2023). Development Through the Lifespan (8th ed.). Pearson. Santrock, J. W. (2024). Life-Span Development (19th ed.). McGraw-Hill. Papalia, D. E., & Martorell, G. (2023). Experience Human Development (15th ed.). McGraw-Hill. Berger, K. S. (2022). The Developing Person Through Childhood and Adolescence (12th ed.). Worth Publishers. Bowlby, J. (1988). A Secure Base: Parent-Child Attachment and Healthy Human Development. Basic Books. Ainsworth, M. D. S., Blehar, M. C., Waters, E., & Wall, S. (1978). Patterns of Attachment: A Psychological Study of the Strange Situation. Lawrence Erlbaum Associates. Piaget, J. (1952). The Origins of Intelligence in Children. International Universities Press. Thomas, A., & Chess, S. (1977). Temperament and Development. Brunner/Mazel. Relevant Students: Psychology students, Developmental Psychology students, Child Development students, Human Development students, Early Childhood Education students, Education students, Counseling students, Social Work students, Nursing students, Pediatric Nursing students, Health Sciences students, Behavioral Science students, Pre-med students. Keywords: PSYC 140, PSYC 140 Exam 3, developmental psychology, infancy, infant development, early childhood development, Piaget, sensorimotor stage, sensorimotor substages, primary circular reactions, secondary circular reactions, tertiary circular reactions, object permanence, schemas, assimilation, accommodation, attachment theory, Bowlby, Mary Ainsworth, Strange Situation, secure attachment, anxious ambivalent attachment, anxious avoidant attachment, disorganized attachment, Erikson, trust versus mistrust, Harlow, infant temperament, Thomas and Chess, easy temperament, difficult temperament, slow-to-warm-up temperament, neural development, neural pruning, synaptogenesis, brain plasticity, cephalocaudal development, proximodistal development, infant reflexes, Moro reflex, rooting reflex, grasp reflex, Babinski reflex, stepping reflex, gross motor skills, fine motor skills, REM sleep, infant sleep, critical period, language acquisition, 5 S's, shaken baby syndrome, child development, psychology revision, university psychology exam, developmental psychology study guide