A researcher who wants to know if elderly people are more health ...

[ec501234]

A researcher who wants to know if elderly people are more health conscious than younger people could study a group of elderly people and a group of young people to assess any differences. Such an approach would involve
 
  a. multiple baseline research.
  b cohort research.
  c. longitudinal research.
  d. cross-sectional research.

Question 2

If Variable X causes Variable Y,
 
  a. the correlation between X and Y should not change over time
   b. the correlation between X at Time 1 and Y at Time 2 should be greater than the correlation between Y at Time 1 and X at Time 2
  c. X and Y should be correlated more strongly between Time 1 and Time 2 than they are at Time 2
  d. X and Y should be perfectly correlated
  e. the correlation between X and Y should approach 1.00 over time

[mcabuhat]

Answer to Question 1

D

Answer to Question 2

B

[ec501234]

Gracias!

[recede]

Excellent