Epidemiological investigators are planning an experiment targeting an increase in the number of adolescent women seeking prenatal care. They have identified two urban communities that have similar rates of teen pregnancy.
The intervention will consist of a public awareness campaign through local media and advertising and brochures distributed through high schools. Community A is given the experimental intervention, while Community B serves as the control group. The best measure of the effectiveness of the intervention would be the number of
A) the number of adolescent pregnancies during the period of the campaign.
B) the average health ratings given by a physician to pregnant adolescents during the period of the campaign.
C) the number of births by adolescents during the period of the campaign.
D) pregnant adolescents seeking prenatal care for the first time during the period of the campaign.
Question 2
Being different is not the equivalent of being psychologically abnormal. Evaluate this statement, providing support for your position.
What will be an ideal response?
Experiment of Lederberg and Tatum demonstrating gene transfer in E. coli
The Hershey-Chase Experiment p2
Psychology experiment
The Lederberg–Zinder experiment using Salmonella
An example of a cell-mediated immune response targeting virus-infected cells.
Davis’s U-tube experiment