Which of the following could not represent a participant ...

[newbem]

Which of the following could not represent a participant variable?
 
  a. Parenting style
  b. Manipulated mood state
  c. Years of education
  d. Spatial ability

Question 2

Time-series designs
 
  a. include multiple control groups.
  b. measure events that take place a long time after an initial event.
  c. include repeated measurements.
  d. generally use large sample sizes.

[nikmaaacs]

Answer to Question 1

b

Answer to Question 2

c

[newbem]

Thanks for the timely response, appreciate it

[chereeb]

Great answer, keep it coming