THE DEVELOPMENT OF CHILDREN SEVENTH EDITION Cynthia Lightfoot
- Slides: 51
THE DEVELOPMENT OF CHILDREN, SEVENTH EDITION Cynthia Lightfoot, Michael Cole, and Sheila R. Cole Chapter 11: Physical and Cognitive Development in Middle Childhood
Chapter Overview I. Physical and Motor Development II. Concrete-Operational Development III. Information-Processing Approaches IV. The Role of Social and Cultural Contexts V. Individual Differences in Cognitive Development VI. Reconsidering the Cognitive Changes in Middle Childhood
Beginning of Middle Childhood • New expectations • Increases: – Physical capacities – Cognitive abilities • “social intelligence”
I. Physical and Motor Development • Increases – Size – Strength
Physical and Motor Development • Increases – Muscle mass – Fat tissue
Height and Weight • Influences – Genetic factors – Environmental factors • For example, childhood obesity
Six Cs Developmental Ecological Model • Kristen Harrison and her Colleagues – Cell – Child – Clan – Community – Country – Culture
Motor Development • • Strength Agility Balance Role of Practice
Gender Differences • Boys – Motor abilities requiring power or force – Greater muscle mass • Girls – Fine motor skills – Gross motor skills that combine balance and foot movement • Cultural Conceptions
Brain Development • Brain changes development underlying cognitive – Myelination – Synaptic pruning – Change in brain activity patterns – Increase in synchronization of electrical activity in different brain areas • EEG coherence
Brain Development
I. Apply – Connect – Discuss • Discuss some of the ways that physical activity affects physical and psychological development of girls and boys during middle childhood. • In your discussion, consider how the effects are similar for boys and girls, how they may differ, and the extent to which culture may contribute to any gender differences you identify.
II. Concrete-Operational Development • Piaget • Concrete Operations Coordinated mental actions that fit into a logical system in a way that creates greater unity of thinking.
Concrete Operations • Children’s behaviors become more – Organized – Flexible – Predictable
Concrete Operational Thinking • Change in abilities – Conservation – Classification – Planning – Metacognition
Conservation • Conservation Piaget’s term for the understanding that some properties of an object or substance remain the same even when its appearance is altered in some way.
Conservation • Conservation of number Recognizing the one -to-one correspondence between sets of objects of equal number.
Conservation • Conservation of volume Understanding that the amount of liquid in a container remains the same despite being poured into a differently shaped container.
Classification • Relationship between a superordinate class and its subclasses – Relation of inclusion • Categorizing objects according to multiple criteria
Planning • Forming mental representations of actions needed to achieve a goal
Metacognition • Metacognition The ability to think one’s own thought processes.
Concrete Operations • Limitations – Abstract reasoning
II. Apply – Connect – Discuss • Explain how Piaget’s fundamental concepts of decentration and objectivity are apparent in the ability of children who are at the concrete-operational stage to solve conservation and classification tasks.
III. Information-Processing Approaches • Reasons for cognitive changes – Increased memory capacity – Increased attention – Rapid and efficient mental operations – Acquisition of new mental strategies
The Role of Memory • Three factors bring about characteristic memory changes: 1. Increased speed and capacity of working memory 2. Expanded knowledge base 3. Improved memory strategies
Working Memory • Capacity Increases – Memory span • Speed Increases – Time to repeat a series decreases – Results in increase in memory capacity
Memory strategies • Rehearsal • Organizational strategies • Elaboration
Thinking about Memory • Metamemory The ability to think about one’s memory processes. – A form of metacognition • Examples – Awareness of memory limitations – Connection with use of memory strategies
Increased Control of Attention • Regulating attention – Staying focused – Ignoring distractions
Executive Function • Aspects of cognition associated with supervising and controlling lower-level cognitive processes. (similar to selfreguation)
III. Apply – Connect – Discuss • Many people believe that a really good memory involves the ability to store a lot of information for considerable periods of time. • Good memory, however, is not just about the quantity of information stored overtime, but also about how the information is organized.
Apply – Connect – Discuss • In what specific ways does it seem that children’s memories may be organized differently in middle childhood than in early childhood?
IV. The Role of Social and Cultural Contexts • Cultural Variations in: – Acquisition of Conservation – Use of Memory Strategies – Planning
The Universality of Conservation • Traditional, nonindustrial cultures – Lag behind industrialized countries – Require training – Fewer differences using native language
Memory Strategies • Effects of schooling – Use of organizational strategies • Clustering – Unschooled children performed well when objects presentation was meaningful, as opposed to random
Planning • Cultural Values – Navajo versus European American • Careful planning vs. speed
IV. Apply – Connect – Discuss • In what ways does Michael Cole’s study of Liberian children suggest that culture contributes both to children’s knowledge bases and to the type of memory strategies that children favor?
V. Individual Differences in Cognitive Development • Definitions of Intelligence – Anchored to cultural contexts – Is there a clear meaning? • Cultural Variations – Social competence – Cognitive competence
Measuring Intelligence • Alfred Binet and Théodore Simon – Cognitive Competence – “Mental age” • Intelligence Quotient (IQ score) – Comparing children of the same age
IQ Score • The ratio of mental age to chronological age – IQ = (MA/CA)/100 – average IQ normalized to 100
Persistent Questions about Intelligence 1. Is intelligence a general characteristic or are there specific kinds of intelligence? 2. Are differences among individuals and among groups in performance on IQ tests the result of genetic or environmental factors? 3. To what extent might IQ tests be culturally biased?
The Nature of Intelligence • General Intelligence • Multiple Intelligences – Howard Gardner • Sternberg’s. Triarchic Theory 1. Analytic 2. Creative 3. Practical
Population Differences • Innatist Hypothesis of Intelligence – Intelligence is innate, and immune to training • Environmental Hypothesis of Intelligence – Intelligence is specific and heavily dependent on experience
Environmental Hypothesis • Flynn Effect The steady increase over the past 100 years in IQ test performance.
IQ Tests as Culturally Biased • Culturally specific – IQ tests are rooted in schooled society – Cultures differ in modes of representation • No satisfactory “culture-free” intelligence test yet.
V. Apply – Connect – Discuss • IQ tests were first developed in order to identify children who needed special education. • Today, the use of IQ tests in making decisions to place children on different “academic ability tracks” is hotly debated.
Apply – Connect – Discuss • Using concepts and research evidence presented in this section, describe the pros and cons of IQ testing and ability tracking in schools.
VI. Reconsidering the Cognitive Changes in Middle Childhood • New powers of thought and action – More systematic – More broadly applied • More cross-cultural work is needed
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