Dr. Tung is investigating the association between smartphone use and mindless eating. In his first study with a sample size of 25 college students, he finds r = .32. In his second study with a sample size of 100 college students, he finds r = .31. With all else equal, which of the following should Dr. Tung expect to find in terms of 95% CI in his two studies? Group of answer choices He should find that the interval is wider for his first study. He should find that the interval contains a zero for his first study. He should find that the interval contains a zero for his second study. He should find that the interval is wider for his second study.