Answer:
The findings of this experiment demonstrate that composing and verbally delivering a message has more impact than just writing it.
Explanation:
Since the students' who only composed the message results weren't as good as the students' who spoke about the topic, the conclusion that can be taken from the experiment is that when you talk about something, you can better absorb the information gathered and therefore apply it more effectively.
B decreased attention span
Answer:
Incidence unchanged, prevalence increases.
Explanation:
Disease can be caused by the pathogens like virus, bacteria, fungi and plasmodium. The infection fro the disease also depends on the immunity of the individuals.
Discovery of the drug requires different experiment and observations. The drug that prevents the mortality but not able to cure the disease. This do not change the disease incidence but might not able to the increase in the prevalence of the disease.
Thus, the answer is incidence unchanged, prevalence increases.
