The intelligence quotient or IQ was originally determined by
A) dividing a child's chronological age by his mental age.
B) taking the child's mental age and dividing it by his chronological age.
C) using the mental age as a gauge of natural intelligence.
D) comparing a child's score with those obtained by peers.
Question 2
The various types of bipolar disorder each
A) follow roughly the same course of illness.
B) have a different course of illness.
C) begin at different points in life.
D) end in early adulthood.
Age differences in crystalized and fluid intelligence
Caregivers’ responses sometimes help a child with strong emotions adapt to the environment.
Observed Mother–Child Arguments at Five Time Points Over an Eight-Year Period
Transmission of autosomal dominant disorders (50% chance for an affected child).
Child Development: A Cultural Approach
Mutagenicity of aflatoxin B1 determined by the Ames test