Answer:
C
Explanation:
because it is what I said
Im personally leaning towards B and E.
External validity
Sigmund freud's psychoanalytic theory was based primarily on descriptive data from a few case studies. Critics question how well the experiences of these unusual individuals represent others. The concern referred to is that this type of research may lack external validity.
External validity is the extent to which the information and theories of a study can be generalized to other conditions or to other people. People, places and times are the three major threats ( factors that could be wrong) to external validity
.
The public approved of Martin Van Buren because he was sticking policies similar to Andrew Jackson, the previous president. Jackson also helped campaign Buren. Buren supported lower tariffs while his opponent, the Whig Party, did not. He also advocated free trade and set up system of bonds for the national debt.