The environmental hypothesis on the origin of IQ is most directly tested by studies that look at
a. stereotype threats endured by high-income Caucasians.
b. cross-ethnic adoptions.
c. genotype qualities of the cells.
d. food or healthcare provided by parents to children.
Question 2
The cumulative aspect of development implies that
a. development is intentional or planned.
b. changes during the lifespan are haphazard and random.
c. one's earlier experiences can have important implications for the future.
d. the person thinks about his or her own traits.
An Edmontosaurus bone that was excavated in Alaska and tested at Temple University.
The Origin of Organelles
Photograph of a child with a cochlear implant. This device sends electrical impulses directly to the
The twin method can be used to investigate genetic and environmental influences on the development o
Cross-Sectional Studies
Translation at endoplasmic reticulum–bound ribosomes and the signal hypothesis