Author Question: There is a need to be concerned with a carry-over effect when the design is a a. times series ... (Read 59 times)

humphriesbr@me.com · **on:** Jun 20, 2018

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