Unit 3 Discussion Paper
Unit 3 Discussion Paper
After completing the readings in Unit 3 and further researching the topic, post a two-paragraph response to the following:
In the reading, you learned about four types of parenting styles: authoritarian, authoritative, uninvolved, and permissive. Which parenting style(s) did you grow up with, and what effect did it have on your cognitive and personality development as a child? What effect did it have on your attachment style?
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Unit3Introduction.html.zipUnit 3 Introduction.html
Unit 3: Childhood
By the end of this unit, students will be able to:
- Summarize through writing physical development in childhood.
- Evaluate cognitive development in childhood.
- Analyze personality development in childhood.
- Differentiate intellectual development during childhood through assigned readings.
In this unit, we will be studying childhood development. In addition to the six readings in this unit, I recommend the following videos and websites to get you started on our topic.
Please start the unit by watching “By Leaps and Bounds” from The Whole Child video series, which give you an overview of physical development in childhood. The “Getting Along Together” video will discuss childhood social development. Unit 3 Discussion Paper
To learn more about cognitive development in childhood, watch “The Secret Life of the Brain: The Child’s Brain” from PBS:
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LifespanDevelopment.pdf
LIFESPAN DEVELOPMENT: A Psychological Perspective By Martha Lally and Suzanne Valentine-French
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Lifespan Development: A Psychological Perspective
By Martha Lally and Suzanne Valentine-French (Published 2017)
This Open Education Resource (OER) textbook was funded by a grant from the College of Lake County Foundation and supported by the Business and Social Sciences Division.
This textbook can be found at: http://dept.clcillinois.edu/psy/LifespanDevelopment.pdf
Publication is under the following license:
Creative Commons Attribution-Noncommercial-Share Alike 3.0 unported license to view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/ or send a letter to Creative Commons, 171 Second Street, Suite 300, San Francisco, California, 94105, USA.
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Table of Contents
Chapter 1: Introduction to Lifespan Development
Chapter 2: Heredity, Prenatal Development, and Birth
Chapter 3: Infancy and Toddlerhood
Chapter 4: Early Childhood
Chapter 5: Middle and Late Childhood
Chapter 6: Adolescence
Chapter 7: Emerging and Early Adulthood
Chapter 8: Middle Adulthood
Chapter 9: Late Adulthood
Chapter 10: Death and Dying
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Table of Contents Chapter 1: Introduction to Lifespan Development …………………………………………………………………………… 8
Lifespan Perspective ………………………………………………………………………………………………………………. 9 Conceptions of Age ………………………………………………………………………………………………………………. 12 Periods of Development…………………………………………………………………………………………………………. 13 Issues in Lifespan Development ………………………………………………………………………………………………. 15 Historical Theories on Development …………………………………………………………………………………………. 16 Contemporary Theories on Development …………………………………………………………………………………… 17 Descriptive Research …………………………………………………………………………………………………………….. 23 Correlational Research ………………………………………………………………………………………………………….. 25 Experimental Research ………………………………………………………………………………………………………….. 27 Research Involving Time-Spans ………………………………………………………………………………………………. 28 Conducting Ethical Research …………………………………………………………………………………………………… 31 References ………………………………………………………………………………………………………………………….. 32
Chapter 2: Heredity, Prenatal Development, and Birth…………………………………………………………………… 34
Heredity …………………………………………………………………………………………………………………………….. 34 Genotypes and Phenotypes …………………………………………………………………………………………………….. 35 Genetic Disorders ………………………………………………………………………………………………………………… 36 Chromosomal Abnormalities …………………………………………………………………………………………………… 38 Behavioral Genetics ……………………………………………………………………………………………………………… 39 Prenatal Development …………………………………………………………………………………………………………… 42 The Germinal Period …………………………………………………………………………………………………………….. 42 The Embryonic Period …………………………………………………………………………………………………………… 43 The Fetal Period …………………………………………………………………………………………………………………… 44 Prenatal Brain Development …………………………………………………………………………………………………… 45 Teratogens ………………………………………………………………………………………………………………………….. 46 Maternal Factors ………………………………………………………………………………………………………………….. 52 Prenatal Assessment ……………………………………………………………………………………………………………… 56 Complications of Pregnancy …………………………………………………………………………………………………… 58 Preparation for Childbirth ………………………………………………………………………………………………………. 59 Stages of Birth for Vaginal Delivery …………………………………………………………………………………………. 59 Assessing the Neonate …………………………………………………………………………………………………………… 62 Problems of the Newborn ………………………………………………………………………………………………………. 62 References ………………………………………………………………………………………………………………………….. 63
Chapter 3: Infancy and Toddlerhood ……………………………………………………………………………………………. 68
The Brain in the First Two Years ……………………………………………………………………………………………… 69 Infant Sleep ………………………………………………………………………………………………………………………… 71 ………………………………………………………………………………………………………………………………………… 71 From Reflexes to Voluntary Movements ……………………………………………………………………………………. 73 Motor Development ……………………………………………………………………………………………………………… 75 Sensory Capacities ……………………………………………………………………………………………………………….. 76 Nutrition ……………………………………………………………………………………………………………………………. 78 Global Considerations and Malnutrition …………………………………………………………………………………….. 80 Piaget and the Sensorimotor Stage ……………………………………………………………………………………………. 81 Infant Memory …………………………………………………………………………………………………………………….. 84 Language …………………………………………………………………………………………………………………………… 85 Components of Language ………………………………………………………………………………………………………. 86 Language Developmental Progression ………………………………………………………………………………………. 87
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Theories of Language Development …………………………………………………………………………………….. 89 Temperament ………………………………………………………………………………………………………………………. 93 Infant Emotions …………………………………………………………………………………………………………………… 95 Forming Attachments ……………………………………………………………………………………………………………. 97 Erikson: Trust vs. Mistrust ……………………………………………………………………………………………………… 98 Mary Ainsworth and the Strange Situation Technique …………………………………………………………………… 98 Erikson: Autonomy vs. Shame and Doubt ………………………………………………………………………………… 102 Measuring Infant Development ……………………………………………………………………………………………… 103 Conclusion ……………………………………………………………………………………………………………………….. 103 References ………………………………………………………………………………………………………………………… 103
Chapter 4: Early Childhood ……………………………………………………………………………………………………….. 110
Brain Maturation ………………………………………………………………………………………………………………… 111 Motor Skill Development……………………………………………………………………………………………………… 112 Toilet Training …………………………………………………………………………………………………………………… 114 Sleep ……………………………………………………………………………………………………………………………….. 115 Sexual Development in Early Childhood ………………………………………………………………………………….. 116 Nutritional Concerns …………………………………………………………………………………………………………… 116 Piaget’s Preoperational Stage of Cognitive Development……………………………………………………………… 118 Vygotsky’s Sociocultural Theory of Cognitive Development ………………………………………………………… 121 Information Processing ………………………………………………………………………………………………………… 122 Attention ………………………………………………………………………………………………………………………….. 122 Memory …………………………………………………………………………………………………………………………… 123 Neo-Piagetians …………………………………………………………………………………………………………………… 125 Children’s Understanding of the World ……………………………………………………………………………………. 126 Language Development ……………………………………………………………………………………………………….. 129 Preschool …………………………………………………………………………………………………………………………. 129 Autism Spectrum Disorder ……………………………………………………………………………………………………. 131 Erikson: Initiative vs. Guilt …………………………………………………………………………………………………… 133 Self-Concept and Self-Esteem ……………………………………………………………………………………………….. 134 Self-Control ………………………………………………………………………………………………………………………. 134 Gender …………………………………………………………………………………………………………………………….. 135 Sibling Relationships …………………………………………………………………………………………………………… 139 Play ………………………………………………………………………………………………………………………………… 141 Children and the Media ……………………………………………………………………………………………………….. 143 Child Care ………………………………………………………………………………………………………………………… 143 Child Abuse………………………………………………………………………………………………………………………. 144 References ………………………………………………………………………………………………………………………… 146
Chapter 5: Middle and Late Childhood ………………………………………………………………………………………. 153
Sports ……………………………………………………………………………………………………………………………… 154 Childhood Obesity ……………………………………………………………………………………………………………… 157 Concrete Operational Thought ………………………………………………………………………………………………. 159 Information Processing ………………………………………………………………………………………………………… 161 Language Development ……………………………………………………………………………………………………….. 163 Communication Disorders ……………………………………………………………………………………………………. 164 Theories of Intelligence ……………………………………………………………………………………………………….. 165 Measuring Intelligence: Standardization and the Intelligence Quotient ……………………………………………… 169 Extremes of Intelligence: Intellectual Disability and Giftedness ……………………………………………………… 170 Education …………………………………………………………………………………………………………………………. 173 Cultural Differences in the Classroom ……………………………………………………………………………………… 173
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Children with Disabilities …………………………………………………………………………………………………….. 176 Children with Disabilities: Legislation …………………………………………………………………………………….. 180 Erikson: Industry vs. Inferiority ……………………………………………………………………………………………… 182 Self-Understanding …………………………………………………………………………………………………………….. 182 Kohlberg’s Stages of Moral Development ………………………………………………………………………………… 183 Friends and Peers ……………………………………………………………………………………………………………….. 185 Bullying …………………………………………………………………………………………………………………………… 187 Family Life……………………………………………………………………………………………………………………….. 188 Conclusions ………………………………………………………………………………………………………………………. 193 References ………………………………………………………………………………………………………………………… 193
Chapter 6: Adolescence ……………………………………………………………………………………………………………. 202
Growth in Adolescence………………………………………………………………………………………………………… 202 Sexual Development …………………………………………………………………………………………………………… 203 Adolescent Brain ……………………………………………………………………………………………………………….. 206 Adolescent Sleep ……………………………………………………………………………………………………………….. 208 Adolescent Sexual Activity …………………………………………………………………………………………………… 209 Eating Disorders ………………………………………………………………………………………………………………… 210 Piaget’s Formal Operational Stage of Cognitive Development ………………………………………………………. 212 Information Processing ………………………………………………………………………………………………………… 214 High School Dropouts …………………………………………………………………………………………………………. 215 Teenagers and Working ……………………………………………………………………………………………………….. 216 Teenage Drivers …………………………………………………………………………………………………………………. 217 Self-concept and Self-esteem in Adolescence ……………………………………………………………………………. 218 Erikson: Identity vs. Role Confusion……………………………………………………………………………………….. 218 Parents and Teens: Autonomy and Attachment ………………………………………………………………………….. 222 Peers ……………………………………………………………………………………………………………………………….. 222 Romantic Relationships ……………………………………………………………………………………………………….. 224 References ………………………………………………………………………………………………………………………… 225
Chapter 7: Emerging and Early Adulthood ………………………………………………………………………………….. 230
Emerging Adulthood Defined ……………………………………………………………………………………………….. 230 Cultural Variations ……………………………………………………………………………………………………………… 232 When Does Adulthood Begin? ………………………………………………………………………………………………. 233 Young Adults Living Arrangements ……………………………………………………………………………………….. 234 The Physiological Peak………………………………………………………………………………………………………… 235 Obesity ……………………………………………………………………………………………………………………………. 236 A Healthy, But Risky Time …………………………………………………………………………………………………… 238 Gender …………………………………………………………………………………………………………………………….. 240 Sexuality ………………………………………………………………………………………………………………………….. 242 Beyond Formal Operational Thought: Postformal Thought …………………………………………………………… 249 Education …………………………………………………………………………………………………………………………. 250 Career Development and Employment …………………………………………………………………………………….. 251 Sexism …………………………………………………………………………………………………………………………….. 253 Temperament and Personality in Adulthood ……………………………………………………………………………… 254 Attachment in Young Adulthood ……………………………………………………………………………………………. 257 Relationships with Parents and Siblings …………………………………………………………………………………… 260 Erikson: Intimacy vs. Isolation ………………………………………………………………………………………………. 260 Factors influencing Attraction ……………………………………………………………………………………………….. 261 Friendships ……………………………………………………………………………………………………………………….. 262 Love ……………………………………………………………………………………………………………………………….. 262
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Adult Lifestyles …………………………………………………………………………………………………………………. 264 Intimate Partner Abuse ………………………………………………………………………………………………………… 271 Parenthood ……………………………………………………………………………………………………………………….. 272 References ………………………………………………………………………………………………………………………… 275
Chapter 8: Middle Adulthood ……………………………………………………………………………………………………. 285
Physical Changes ……………………………………………………………………………………………………………….. 286 Sensory Changes ………………………………………………………………………………………………………………… 287 Health Concerns ………………………………………………………………………………………………………………… 289 Digestive Issues …………………………………………………………………………………………………………………. 296 Sleep ……………………………………………………………………………………………………………………………….. 297 Exercise, Nutrition, and Weight ……………………………………………………………………………………………… 299 Climacteric ……………………………………………………………………………………………………………………….. 302 The Climacteric and Sexuality ……………………………………………………………………………………………….. 305 Brain Functioning ………………………………………………………………………………………………………………. 306 Crystalized versus Fluid Intelligence……………………………………………………………………………………….. 307 Middle Adults Returning to Education …………………………………………………………………………………….. 309 Gaining Expertise: The Novice and the Expert…………………………………………………………………………… 310 Work at Midlife …………………………………………………………………………………………………………………. 311 Leisure …………………………………………………………………………………………………………………………….. 314 Midlife Crisis? …………………………………………………………………………………………………………………… 316 Stress ………………………………………………………………………………………………………………………………. 317 Erikson: Generativity vs Stagnation ………………………………………………………………………………………… 321 Midlife Relationships ………………………………………………………………………………………………………….. 323 Middle Adult Lifestyles ……………………………………………………………………………………………………….. 326 Friendships ……………………………………………………………………………………………………………………….. 332 Women in Midlife ………………………………………………………………………………………………………………. 334 Religion and Spirituality ………………………………………………………………………………………………………. 334 References ………………………………………………………………………………………………………………………… 336
Chapter 9: Late Adulthood ………………………………………………………………………………………………………… 349
Late Adulthood in America …………………………………………………………………………………………………… 349 The “Graying” of the World ………………………………………………………………………………………………….. 350 Life Expectancy vs Lifespan …………………………………………………………………………………………………. 351 Gender Differences in Life Expectancy ……………………………………………………………………………………. 353 Age Categories in Late Adulthood ………………………………………………………………………………………….. 355 Theories of Aging ………………………………………………………………………………………………………………. 358 Physical Changes of Aging …………………………………………………………………………………………………… 361 Sensory Changes in Late Adulthood ……………………………………………………………………………………….. 363 Nutrition ………………………………………………………………………………………………………………………….. 367 Chronic Conditions …………………………………………………………………………………………………………….. 368 Brain Functioning ………………………………………………………………………………………………………………. 372 Sexuality ………………………………………………………………………………………………………………………….. 374 How Does Aging Affect Information Processing? ………………………………………………………………………. 376 Memory …………………………………………………………………………………………………………………………… 376 Attention and Problem Solving………………………………………………………………………………………………. 378 Intelligence and Wisdom ……………………………………………………………………………………………………… 380 Neurocognitive Disorders …………………………………………………………………………………………………….. 380 Work and Retirement …