(2) Periods of Development by Lumen Learning, Life Span Development is licensed under CC-BY 4.0 .

(3) Theories of Development: What is a Theory ? by Lumen Learning, Life Span Development is licensed under CC-BY 4.0 .

(4) Psychodynamic Theory by Lumen Learning, Life Span Development is licensed under CC-BY 4.0 .

(5) Psychosocial Theory by Lumen Learning, Life Span Development is licensed under CC-BY 4.0 .

(6) Behavioral Learning Theories: How do We Act? by Lumen Learning, Life Span Development is licensed under CC-BY 4.0 .

(7) Cognitive Theories by Lumen Learning, Life Span Development is licensed under CC-BY 4.0 .

(8) Research Designs by Lumen Learning, Life Span Development is licensed under CC-BY 4.0 .

(9) Research Methods in Developmental Psychology (Noba Project) by Angela Lukowski and Helen Milojevich is licensed under CC-BY-NC-SA 4.0 .

(10) Statistical Thinking (Noba Project) by Beth Chance and Allan Rossman is licensed under CC-BY-NC-SA 4.0 .

(11) DNA, Genes, Chromosomes by GeneEd resides in the Public Domain .

(12) Basics of Chromosomes by GeneEd resides in the Public Domain .

(13) Genetic Code by GeneEd resides in the Public Domain .

(14) Double Helix by GeneEd resides in the Public Domain .

(15) Replication by GeneEd resides in the Public Domain .

(16) Heredity/Inheritance Patterns by GeneEd resides in the Public Domain .

(17) Family Health History by GeneEd resides in the Public Domain .

(18) Mendelian Inheritance by GeneEd resides in the Public Domain .

(19) Mitochondrial Inheritance by GeneEd resides in the Public Domain .

(20) Gene-Environment Interactions by Lumen Learning is licensed under CC-BY 4.0 .

(21) Dig Deeper: Parental Investment and Programming of Stress Responses in Offspring by Lumen, Introduction to Psychology, is licensed under CC-BY-NC-SA 4.0 .

(22) Genetic Conditions by GeneEd resides in the Public Domain .

(23) Cystic Fibrosis by GeneEd resides in the Public Domain .

(24) Down Syndrome by GeneEd resides in the Public Domain .

(25) Hemophilia by GeneEd resides in the Public Domain .

(26) Tay-Sachs Disease by GeneEd resides in the Public Domain .

(27) Gametes by Lumen, Lifespan Development, is licensed under CC-BY 4.0 .

(28) Prenatal Development by Lumen, Lifespan Development, is licensed under CC-BY 4.0 .

(29) Teratology by Lumen, Lifespan Development, is licensed under CC-BY 4.0 .

(30) Pregnancy Complications by Centers for Disease Control and Prevention resides in the Public Domain .

(31) Preeclampsia and Eclampsia by the Eunice Kennedy Shriver National Institute of Child Health and Human Development resides in the Public Domain .

(32) About Preeclampsia and Eclampsia by the Eunice Kennedy Shriver National Institute of Child Health and Human Development resides in the Public Domain .

(33) Approaches to Birth by Lumen, Lifespan Development, is licensed under CC-BY 4.0 .

(34) Complications during Birth by Florida Health, Children’s Medical Services resides in the Public Domain .

(35) Preterm Births by Centers for Disease Control and Prevention resides in the Public Domain .

(36) Cesarean Birth by Centers for Disease Control and Prevention resides in the Public Domain .

(37) The Newborn by Lumen, Anatomy and Physiology II, is licensed under CC-BY 4.0 .

(38) The Postpartum Period by the U.S. Department of Health and Human Services resides in the Public Domain .

(39) Physical Development by Lumen, Lifespan Development, is licensed under CC-BY 4.0 .

(40) Sudden Unexpected Infant Death and Sudden Infant Death Syndrome by Centers for Disease Control and Prevention resides in the Public Domain .

(41) Reducing the Risk of SIDS by Centers for Disease Control and Prevention resides in the Public Domain .

(42) The Brain in the First Two Years by Lumen, Lifespan Development, is licensed under CC-BY 4.0 .

(43) Nutrition by Lumen, Lifespan Development, is licensed under CC-BY 4.0 .

(44) Physical Development Early Childhood by Lumen, Lifespan Development, is licensed under CC-BY 4.0 .

(45) Physical Development during Middle and Late Childhood by Lumen, Lifespan Development, is licensed under CC-BY 4.0 .

(46) Adolescent Development (Noba Project) by J. Lansford is licensed under CC-BY-NC-SA 4.0 .

(47) Adolescence by Lumen, Lifespan Development, is licensed under CC-BY 4.0 .

(48) Adolescent Development by United States Department of Health and Human Services resides in the Public Domain .

(49) Take Charge of Your Health: A guide for Teenagers by United States Department of Health and Human Services resides in the Public Domain .

(50) Sleep Needs by Centers for Disease Control and Prevention resides in the Public Domain .

(51) Cognitive Development in Childhood (Noba Project) by R. Siegler is licensed under CC-BY-NC-SA 4.0 .

(52) Piaget and Sensorimotor Stage by Lumen, Lifespan Development, is licensed under CC-BY 4.0 .

(53) Piaget and Preoperational Intelligence by Lumen, Lifespan Development, is licensed under CC-BY 4.0 .

(54) Piaget and Concrete Operational Stage by Lumen, Lifespan Development, is licensed under CC-BY 4.0 .

(55) Major Theories and Models of Learning by Lumen, Lifespan Development, is licensed under CC-BY 4.0 .

(56) Learning and Intelligence by Lumen, Lifespan Development, is licensed under CC-BY 4.0 .

(57) Intelligence by (Noba Project) by R. Biswas-Diener is licensed under CC-BY-NC-SA 4.0 .

(58) Developmental Problems by Lumen, Lifespan Development, is licensed under CC-BY 4.0 .

(59) Critical Thinking by Lumen, Lifespan Development, is licensed under CC-BY 4.0 .

(60) Creative Thinking by Lumen, Lifespan Development, is licensed under CC-BY 4.0 .

(61) Problem-Solving by Lumen, Lifespan Development, is licensed under CC-BY 4.0 .

(62) Language Development by Lumen, Lifespan Development, is licensed under CC-BY 4.0 .

(63) Knowledge Emotions: Feelings that Foster Learning, Exploring, and Reflecting (Noba Project) by Paul Silvia is licensed under CC-BY-NC-SA 4.0 .

(64) Functions of Emotions (Noba Project) by H. Hwang and D. Matsumoto is licensed under CC-BY-NC-SA 4.0 .

(65) Temperament and Personality by Lumen, Lifespan Development, is licensed under CC-BY 4.0 .

(66) Social and Personality Development in Childhood (Noba Project) by Ross Thompson is licensed under CC-BY-NC-SA 4.0 .

(67) Attachment (Noba Project) by R. Chris Fraley is licensed under CC-BY-NC-SA 4.0 .

(68) Self-Awareness and Identity (Noba Project) by D. McAdams is licensed under CC-BY-NC-SA 4.0 .

(69) Social Understanding (Noba Project) by Ross Thompson is licensed under CC-BY-NC-SA 4.0 .

(70) Family Tasks by Lumen, Lifespan Development, is licensed under CC-BY 4.0 .

(71) Play and Leisure by United States Department of Health and Human Services resides in the Public Domain .

(72) What is Bullying? by United States Department of Health and Human Services resides in the Public Domain .

(73) Roles Kids Play in Bullying by United States Department of Health and Human Services resides in the Public Domain.

(74) Who is at Risk by United States Department of Health and Human Services resides in the Public Domain .

(75) Warning Signs for Bullying by United States Department of Health and Human Services resides in the Public Domain .

(76) Effects of Bullying by United States Department of Health and Human Services resides in the Public Domain .

(77) What is Cyberbullying? by United States Department of Health and Human Services resides in the Public Domain .

(78) Cyberbullying Tactics by United States Department of Health and Human Services resides in the Public Domain .

(79) Be Aware of What Kids are Doing Online by United States Department of Health and Human Services resides in thePublic Domain .

(80) Kids on Social Media and Gaming by United States Department of Health and Human Services resides in the Public Domain .

(81) Other Types of Aggressive Behavior by United States Department of Health and Human Services resides in the Public Domain .

(82) Teen Dating Violence by youth.GOV resides in the Public Domain .

(83) Risk Factors by youth.GOV resides in the Public Domain .

(84) Prevention Programs by youth.GOV resides in the Public Domain .

(85) Moral Development by Lumen, Educational Psychology, is licensed under CC-BY 4.0 .

(86) Kohlberg and the Heinz Dilemma by Lumen, Lifespan Development, is licensed under CC-BY 4.0 .

(87) Moral Development in the Family by the Ministry of Education, Government of Guyana resides in the Public Domain .