One advantage of using laboratory studies to test the accuracy of the polygraph is that __________; one disadvantage is __________ as compared to field studies.
a) Advantage: Better control; Disadvantage: Lack of realism
b) Advantage: Real-life scenarios; Disadvantage: Limited sample size
c) Advantage: Generalizability; Disadvantage: Ethical concerns
d) Advantage: Cost-effectiveness; Disadvantage: Low validity