Answer: Katie would likely perform better due to spacing effect.
Step-by-step explanation:
Spacing effect is the effect in which learning is expected to be efficient when learning session is distracted. Repetition of things over spaced out longer time can make a person remember for long term rather than short space out time .
Accordion to the question, chances of Katie's performance is expected to be better than Inez due to spacing effect.As Katie has more spaced out time between her studying session she would remember better because Inez has to study three hours regularly before the exam day.