The data in the previous question show a much higher incidence of low birth weight babies from mothers who smoke. This finding is likely to be a reliable one because

a. everyone knows that smoking is a bad thing.
b. the smokers rate of low birth weight is twice that of the non-smokers.
c. the pattern of differences occurs reliably over each of 5 years.
d. there is a general increase in low birth weight over the years.

C

Psychology

You might also like to view...

Which of the following is a true statement about antipsychotic medications?

A. Large numbers of clinical trials have failed to demonstrate the efficacy and effectiveness of these drugs. B. Some clinical change can be seen within the first 24 hours, but it drops off rapidly thereafter. C. These medications can take two to four weeks to have any effect on the patient. D. The earlier patients receive these medications, the better they tend to do over the long term.

Psychology

Seasonal affective disorder (SAD) is characterized by

a. exaggerated sensitivity to the temperature extremes of summer and winter. b. moodiness during the holiday season. c. a lasting and disabling depression related to decreased exposure to sunlight. d. disorientation occurring as each of the four seasons ends.

Psychology