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.
The threespine stickleback (Gasterosteus aculeatus) has been used as a model organism for the study
Using a microscope to study the human body
Percentages of adolescents indicating Benefits and Costs of employment.
Berko’s Language Study
Children and adolescents define themselves as they get older
Seattle Longitudinal Study