There is a need to be concerned with a carry-over effect when the ...

[humphriesbr@me.com]

There is a need to be concerned with a carry-over effect when the design is a
 
  a. times series design.
  b. counterbalanced design.
  c. randomized Solomon four-group design.
  d. randomized control-group, posttest only design.

Question 2

Choose the type of validity evidence that a researcher would need to determine the score validity of the following kinds of instruments. A math test designed to predict achievement in mathematics.
 
  a. evidence based on content.
  b. evidence based on relationship to other variables
  c. evidence based on construct measured

[atrochim]

Answer to Question 1

B

Answer to Question 2

B

[humphriesbr@me.com]

Thanks for the timely response, appreciate it

[Hdosisshsbshs]

YES! Correct, THANKS for helping me on my review