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HD FS 229
Exam One material for Human Development
100
Other
Undergraduate 2
09/25/2007

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Term
3 BIG Questions associated with Holistic Theories
Definition
1) Continuous vs. Discontinuous
2) Same vs. Different course of developement
3) Nature vs. Nurture
Term
Positive Reinforcement
Definition
Presenting a good stimulus while trying to maintain a behavior
Term
Negative Reinforcement
Definition
Removing a bad stimulus to maintain a behavior
Term
Postitive Punishment
Definition
Presenting a bad stimulus to decrease/get rid of a behavior
Term
Negative Punishment
Definition
Removing a good stimulus to decrease/get rid of a behavior
Term
Social Learning Theory
Definition
Children learn from observing others being reinforced/punished
Term
Bobo-Doll Experiment
Definition
An example of Social Learning Theory where children watch adults being reninforced/punished for hitting the doll
Term
Evolutionary Theory
Definition
We have a naturally selected biology (our bodies adapt over time for survival) and we adapt to our environment to fit into culture or overcome certain obstables (ex. shyness)
Term
Ecological Systems Theory
Definition
Bi-directional (relationship between a child and his environment) and based on hierarchial systems
Term
What are the 5 hierarchial systems in the Ecological Systems Theory?
Definition
1. Microsystem
2. Mesosytem
3. Exosystem
4. Macrosystem
5. Chronosystem
Term
Microsystem
Definition
The environments a child is directly interacting with
(ex. family, school, playground, peergroups)
Term
Mesosystem
Definition
The connections within the microsystem
(ex. family being involved with school)
Term
Exosystem
Definition
Environments that a child is not directly involved in but affect his/her life
(ex. parent's work place)
Term
Macrosystem
Definition
The cultural values and ideals within a child's life
(ex. is childcare/education/parenthood valued?)
Term
Chronosystem
Definition
All the systems changing over the course of a child's life
(ex. new siblings, NCLB)
Term
John takes the trash out so his mom will stop nagging him.
This is an example of...
Definition
Negative Reinforcement
Term
Camilla is put in time out for stealing.
This is an example of...
Definition
Negative Punishment

Removing a good stimulus (playtime with her friends) in order to decrease the behavior of stealing.
Term
Trudy is given a cookie for earning an A+ on her paper.
This is an example of...
Definition
Positive Reinforcement
Term
Randy's mom yells at him for not eating his vegetables.
This is an example of...
Definition
Positive Punishment

Presenting a bad stimulus (yelling) in order to decrease the behavior of not eating his vegetables.
Term
Naturalistic Observation
Definition
Observing behaviors in a natural setting
Term
Structured Observation
Definition
Creating an environment to observe specific behaviors, such as a lab.

(ex. Still-face experiment)
Term
Problems with Observation
Definition
1) Observer Influence (observed know they are being watched which affects their behavior)
2) Observer Bias
Term
Clinical Interview
Definition
Free-flowing conversation with no specific set of questions
Term
Structured Interview
Definition
Uses a specific set of questions but limited with the information you recieve
Term
Problem with Self-Reports
Definition
People tend to not be very honest
Term
Psychophysiological methods of research
Definition
CAT scans, measuring heartrate, etc

Trying to link physiology to actual behavoir/emotions/cognitions

Problem: you have to make assumptions that there is a link
Term
Correlational Design
Definition
DOES NOT EQUAL CAUSATION

Most commonly used
No random assingments

There are often confounding variables (X + Y & Z)
Term
True Experiment
Definition
Random assignment to groups and manipulation of variables
Term
2 Types of Correlational & True Experiment Studies
Definition
1) Longitudinal

2) Cross-Sectional
Term
Behavioral Genetics
Definition
The individual contribution of genes or environment to development
Term
Heritability
Definition
The extent to what genes contribute to differences in children
Term
Genotype
Definition
What our genes spell out for us
(ex. height)
Term
Phenotype
Definition
How genotype is expressed in environment
Term
Estimates of heritability range from...
Definition
0.0 (no influence of genes)

to

1.0 (total influence of genes)
Term
What is the heritability of depression?
Definition
0.3 or 30%
Term
What is the heritability of IQ?
Definition
0.5 or 50%
Term
The Heritability of twins =
Definition
(MZ same - DZ same) x2
Term
Limitations of Twin Studies
Definition
Adoption environments very similar
Term
Nurture of Aggression
Definition
1) Coercive Processes: when children are reinforced for being aggressive
2) Modeling: children observe aggressive behavior and then become aggressive
3) Authoritarian parenting: lack of warmth leads to aggression
Term
The Heritability of Antisocial behavior is...
Definition
0.3-0.4 or 30-40%
Term
The expression of genotype depends on...
Definition
environment

(known as G-E Interaction)
Term
Passive Correlation
Definition
In YOUNG children where parents choose their environments

(ex. encouraging them to read, play sports)
Term
Active Correlation
Definition
In OLDER children where the child chooses environment that affects his/her genes.
Term
Niche-picking
Definition
Choosing environments that support our own abilities
Term
Evocative Correlation
Definition
Bi-directorial- children's own genes lead to certain behaviors

Child evokes certain environmental responses
Term
Gross Motor Skills
Definition
Moving large apendagies such as arms and legs
Term
Fine Motor Skills
Definition
Moving small apendagies such as hands and fingers
Term
Cephalocaudal
Definition
"head to toe"

When an infant lifts head up before arms and rest of body.
Term
Proximodistal
Definition
center outwards

When an infant moves trunk of body before fine motor skill parts (such as fingers)
Term
CNS (Central Nervous System) Development
Definition
As our brain developes, we require more advanced movement.

GENES play a big role
Term
Body's movement capacity
Definition
How we are able to move our body.

GENES play a big role
Term
Child's goals/Motivation
Definition
Stimulation in the environment
(ex. toys, people)

ENVIRONMENT plays a big role
Term
Environmental supports
Definition
The role of the caregiver by reinforcing child for motor exploration

ENVIRONMENT
Term
4 Factors involved in a child's motor skill development
Definition
1) CNS Development
2) Body's movement capacity
3) Child's goals/motivation
4) Environmental supports
Term
Prereaching
Definition
A reflex, from birth, that stops at about 7 weeks of age
Term
Reaching
Definition
voluntary movement that starts at about 3 months of age
Term
Ulnar Grasp
Definition
- 3 months of age
- reach out with fairly good aim
- put fingers to palm
- pick up large objects
Term
Pincer Grasp
Definition
- 12 months of age
- index finger and thumb together
- a fine motor skill
Term
Developmental Milestones
(infancy-toddler)
Definition
6 weeks - holds head up

7 months - crawls

11 months, 3 weeks - walks alone
Term
Integration
Definition
When multiple parts of the body coordinate for more advanced movement
(ex. running, skipping)
Term
Developtmental Milestones
(Early/Middle childhood)
Definition
2-3 years - run/jump/throw

4-5 years - body rotation

5-6 years - rides bicycle w/ training wheels

7-12 years - improved accuracy and speed
Term
Prenatal TOUCH Perception
Definition
8 weeks: first sensitivity to touch

32 weeks: every part of body is sensitive to touch
Term
Prenatal TASTE Perception
Definition
13-15 weeks: taste buds develope

Taste preference for things mther ate while pregnant
Term
Prenatal SMELL Perception
Definition
11-15 weeks: nose developes

Perfer smell of mother when born
Term
Prenatal HEARING Perception
Definition
18 weeks: ear fully developed

Fetus gets all information from sound and shows a preference for mother's voice when born
Term
Prenatal SIGHT Perception
Definition
Least developed at birth

26 weeks: eyes open
33 weeks: pupils dialate in response to light
Term
Physiological Response to Habituation
Definition
Heart/breathing rate decrease because object is no longer stimulating
Term
Dishabituation
Definition
After looking at an object the child is no longer interested. This is how we know they see colors.
Term
Newborn habituation rate
Definition
3-4 minutes
Term
4-5 Month old habituation rate
Definition
5-10 seconds
Term
Cortisol
Definition
a hormone released when we feel pain
Term
Infants perfer ____ tasting foods when born.
Definition
sweet, because breast milk is sweet
Term
At 6-8 months, infants' sense of hearing...
Definition
zone in on their native language and ignore non-native sounds.
Term
Infant VISION
Definition
- least developed when born

- 2 months: ability to focus
- 6 months: improvement in acuety
Term
Visual Cliff
Definition
2 months: percieve depth but crawl right over

7 months: develop "height anxiety" and refuse to cross cliff
Term
Exclusive breastfeeding for _____ and continued up to _____ of age.
Definition
6 months

1-2 years
Term
Benefits of Breastfeeding
Definition
- provides essential energy and nutrients
- protection against infectious diseases
- decreases infant mortality and health problems
- enhances cognitive development
Term
Innate Preferences of Infants Taste
Definition
Sweet - consume more, positive

Bitter & Sour - rejection, negative

Salt - neutral until 4months, positive
Term
Neophobic tendencies are an _______ survival response to the unfamiliar.
Definition
evolutionary
Term
From around age __ girls add more ___ than boys.
Definition
8

fat
Term
Neurons
Definition
Basic building blocks for brain development and have more than we need when born
Term
Synaptic Pruning
Definition
Helps to reduce the amount of connections.
The most improtant are left for survival.
Term
Myelination
Definition
Speeds up transmition of information
Term
At birth the brain is at __% of it's adult weight.
At age 2 it is __% and age 6 it is __%.
Definition
30
70
90
Term
The cerebral cortex is __ % of the brain's weight.
Definition
85
Term
Lateralization
Definition
Brain split into 2 hemispheres where information is stored.
Makes brain more efficient.
Term
Brain Plasticity
Definition
The brain's ability to make up for damage when injured.
Term
Crowding Effect
Definition
When part of the brain is removed, the part that is left becomes overcrowded with information.
Term
Experience-Expectant Growth
Definition
Ordinary levels of stimulation that the brain expects to recieve
Term
Experience-Dependant Growth
Definition
Extra brain development due to environmental stimulation
Term
Reflexes
Definition
Innate, automatic responses to particular forms of stimulation
Term
Moro Reflex
Definition
If a baby is dropped, he/she will reach out and grab something
Term
Withdrawl Reflex
Definition
When an infant is overstimulated they drawback and curl up
Term
Reflexes in infants drops out around _____ of life.
Definition
6 months
Term
Inappropriate absence/presence of reflexes =
Definition
Brain Damage
Term
Who was the creator of Social Learning Theory?
Definition
Bandura
Term
Who are the 3 main behaviorlists?
Definition
Watson
Pavlov
Skinner
Term
Who was the creator of Ecological Systems Theory?
Definition
Bronfenbrenner
Term
What is the heritability of temperament?
Definition
0.4 - 0.5 or 40-50%
Term
What is the heritability of schizophrenia?
Definition
0.8-0.86 or 80-86%
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