Choosing the appropriate the sampling design for the given data:
1. A randomized pretest-posttest, control-group design is _____________
a) an experimental design
b) not an experimental design
c) is not completely randomized
d) b and c
2. A good way to control for carry-over effects in within-subjects experiments, provided that there are not too many experimental conditions is ______________
a) positive practice
b) using a matched-subjects design
c) debriefing participants
d) counterbalancing