In a cause-and-effect relationship a. both variables must be ...

[Awilson837]

In a cause-and-effect relationship
 
  a. both variables must be shown to be independent.
  b. the independent variable must come before the dependent variable in time.
  c. the two variables must never display correlation.
  d. there must be evidence that the correlation is spurious.

Question 2

According to Lenski's approach, change in society would be brought about by
 
  a. the telephone.
  b. conflict between workers and factory owners.
  c. new religious movements.
  d. the extent to which people share moral values.

[beccamahon]

Answer to Question 1

b

Answer to Question 2

a

[Awilson837]

Thanks for the timely response, appreciate it

[amcvicar]

Excellent