April has been working hard to look at the effects of homework difficulty on student desire to finish the work. She has decided to make sure that each group is equivalent on enthusiasm for school by measuring overall levels.
April then pairs up the participants based on their enthusiasm before placing them in to the groups in her study. April is conducting a design.
a. within
b. between
c. mixed
d. matched
Question 2
History is an event beyond the researcher's control.
Indicate whether the statement is true or false