A static group comparison design has a control group, but
a. the posttest is not compared to anything.
b. the groups are not pretested to see change.
c. the equivalence of the groups is questionable.
d. b and c
Question 2
An observed score is ____ if it has a ____ and does not vary from observation to observation.
a. valid; small true score c. reliable; small true score
b. valid; small error component d. reliable; small error component