#1
At what age do most infants start to roll over from their back to their stomach?
3 months
ExplanationTypical age for rolling over from back to stomach.
#2
Which of the following is a typical milestone for a 9-month-old infant?
Crawling
ExplanationTypical milestone achieved by 9-month-old infants.
#3
Which of the following is a typical milestone for a 12-month-old infant?
Standing without support
ExplanationTypical milestone at 12 months, standing without support.
#4
When do most infants begin to display stranger anxiety?
9 months
ExplanationTypical onset of stranger anxiety in infants.
#5
What is the term for an infant's ability to imitate facial expressions and gestures?
Imitation
ExplanationInfants' ability to mimic facial expressions and gestures.
#6
Which of the following is a typical milestone for a 6-month-old infant?
Grasping objects with thumb and forefinger
ExplanationTypical milestone at 6 months, grasping objects with thumb and forefinger.
#7
Which ability typically develops first in infants?
Lifting head while lying on stomach
ExplanationFirst ability developed, lifting head while on stomach.
#8
What is object permanence?
The ability to understand that objects continue to exist even when they are not visible
ExplanationUnderstanding that objects exist even when not seen.
#9
What is the term used to describe an infant's ability to coordinate sensory input with motor actions?
Sensorimotor integration
ExplanationCoordination of sensory input and motor actions in infants.
#10
Which developmental theorist is associated with the concept of the 'sensorimotor stage'?
Jean Piaget
ExplanationJean Piaget associated with the sensorimotor stage.
#11
What is the term for an infant's understanding that others have thoughts, feelings, and intentions?
Theory of mind
ExplanationUnderstanding others' thoughts, feelings, and intentions in infants.
#12
Which theorist emphasized the importance of social interactions and cultural influences on cognitive development?
Lev Vygotsky
ExplanationLev Vygotsky emphasized social and cultural influences on cognitive development.
#13
What is the approximate age when most infants start to say their first words?
12 months
ExplanationTypical age for infants' first spoken words.
#14
What is the approximate age when most infants start to walk independently?
12 months
ExplanationTypical age for independent walking in infants.
#15
At what age do most infants begin to show signs of self-recognition, such as recognizing themselves in a mirror?
12 months
ExplanationTypical age for self-recognition in infants.
#16
What is the term for an infant's ability to understand and respond to the emotions of others?
Empathy
ExplanationInfants' ability to comprehend and react to others' emotions.
#17
What is the term for an infant's ability to mentally represent objects and events even when they are not present?
Symbolic thought
ExplanationInfants' ability to mentally represent absent objects and events.