Theorists who claim that perceptual abilities are inborn are known as
100
means-end behavior
Purposeful behavior carried out in pursuit of a specific goal
100
The view that infants are biologically predisposed to form emotional bonds with caregivers and that the characteristics of those bonds later shape social and personality development
Attachment Theory
100
Making repetitive vowel sounds, particularly the “uuu” sound
cooing
200
Reflexes, controlled by “primitive” parts of the brain, that disappear during the first year of life
primitive reflexes
200
The usual standard for visual activity in adults
20/20 vision
200
The primary technique of reflexes start to occur at how many months?
0-1 months
200
The perspective that claims all animals, including humans, have innate predispositions that strongly influence their development
Ethological perspective
200
At how many months does a baby begin to make laughing and cooing sounds
1 to 2 months
300
How many total states of sleep have researchers described
five
300
The formation of a single perception of a stimulus that is based on information from two or more senses
intermodal perception
300
Imitation of two-part actions develops around how many months?
15 to 18 months
300
By what age do most children have a clear internal model of the primary caregiver, a self-model, and a model of relationships?
age five
300
By 9 or 10 months, most children can understand the meanings of 10-30 words
Receptive Language
400
At how many months of age do the primitive reflexes begin to disappear
6 to 8 months
400
newborns are pretty nearsighted and can focus well at how many inches?
8 to 10 inches
400
A study that shows babies as young as 3 months of age can remember specific objects and their own actions over periods of time was performed by
Carolyn Rovee-Collier
400
What percentage of infants are categorized as difficult children?
10%
400
Who formulated an operant conditioning theory that suggested a behaviorist explanation of language development?
B.F. Skinner
500
What percentage of infants develop colic?
15-20%
500
Who showed that 4-month old infants can connect sound rhythms with movement?
Elizabeth Spelke
500
Researchers found that infants respond to what type of categories before they display reactions to basic-level categories?
Superordinate
500
At what years in life do ethologists claim constitute a sensitive period for the formation of attachment and social relationship?
the first 2 years of life
500
Turkish, Serbo-Croatian, Hungary, Hebrew, and Japanese have revealed important similarities in?