In one study, adolescents who smoked cigarettes were about twice as likely as nonsmokers to later use marijuana. For this reason, cigarettes have been referred to as
A. addicting.
B. a gateway substance.
C. toxic.
D. a correlate.
Question 2
An example of a longitudinal study of drug use would be
A. surveying high-school seniors every year.
B. following each individual throughout the entire day.
C. sampling drug use from different parts of the country.
D. following the same group of people at intervals over several months or years.
Model organisms used to study the genetics of development
The threespine stickleback (Gasterosteus aculeatus) has been used as a model organism for the study
Field research on free-living primates allows primatologists to study patterns of behavior in the se
Sperry’s classic study of eye rotation and regeneration.
The Z lens, which was developed by Zaidel to study functional asymmetry in split-brain patients. It ...
Study Duddy 1