The difference between prevalence of vascular dementia for males ...

[naturalchemist]

The difference between prevalence of vascular dementia for males versus females is
 
  a. greatest at the oldest age groups.
  b. greatest at the youngest age groups.
  c. constant across ages.
  d. greatest at the middle age groups.

Question 2

The most powerful scientific method is the
 
  a. case study.
  b. survey.
  c. experiment.
  d. naturalistic observation.

[firehawk60]

Answer to Question 1

a

Answer to Question 2

c

[naturalchemist]

Thanks for the timely response, appreciate it

[JaynaD87]

Gracias!