Participants in a within-subjects experiment are performing an odor identification task in which the smell of vinegar is presented at a particularly high concentration. The smell that follows the presentation of the vinegar is always poorly identified, regardless of which odorant it is. What should be a concern for this experimental design?
a. Order effects
b. Sequence Effects
c. Random allocation to groups
d. Mortality
Question 2
Professor Johns is performing an experiment to test hypnosis as a treatment for smoking. He is trying to decide which type of experimental design will be appropriate for the study. Which would you suggest?
a. He should use a non-experimental design
b. He should use a within-subjects design
c. He should use a between-subjects design, so that each subject can act as their own control
d. He should use a between-subjects design because of carryover effects