An independent variable a. has at most two levels. b. can ...

[fox]

An independent variable
 
  a. has at most two levels.
  b. can have any number of levels.
  c. is never a manipulated variable.
  d. cannot be a qualitative variable.

Question 2

If an independent groups design contains one independent variable with five levels, the design is considered a
 
  a. single-level, single-factor study.
  b. multi-level, single-factor study.
  c. single-level, multi-factor study.
  d. multi-level, multi-factor study.

[yeungji]

Answer to Question 1

B

Answer to Question 2

b