Random assignment of participants to conditions has the advantage ...

[littleanan]

Random assignment of participants to conditions has the advantage over other methods of assignment in that:
 
  a. it places equal numbers of participants in each group.
  b. it ensures that each condition precedes and follows every other condition equally often.
  c. it controls for known confounding variables.
  d. it controls for both known and unknown confounding variables.

Question 2

If you are at the point where you are deciding who from the population shall be your participants, you should be using:
 
  a. factorial design.
  b. random assignment.
  c. Solomon's four-group design.
  d. random sampling.

[morrie123456]

Answer to Question 1

D

Answer to Question 2

D

[littleanan]

TYSM

[Bigfoot1984]

Gracias!