Is OAT a good indicator of optometyr school success?

[jalapeno123]

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Based on an OAT VALIDITY study, the following was determined:

• Overall, the multiple correlation involving all predictors (OAT scores, math/science GPA, overall GPA, other GPAs , and options) results in the greatest amount of explained variance in first-year overall GPA (36%) and second-year overall GPA (33%). The rest of the results are summarized below.

[B][U][COLOR="Red"]• In Table 10, the percent of variance in first-year overall GPA that could be 
explained by OAT alone and the combination of OAT & math and science GPA
 is 24% and 30%, respectively. [/COLOR][/U][/B]
Thirty-one percent of the variance can be explained by the combination of OAT, Math/Science, 
& Overall GPAs. When Other GPA is added to the preceding set as a predictor, the explained
 variance is only increased by 0.8%. When the Opt
ions score is added as a predictor, the explained variance increases about 5%.

Does this mean that the OAT is a 24% predictor of first year optometry school gpa, and the undergraduate gpa is a 31% predictor of first year optometry gpa?

Does this mean that a high OAT score is usually a pretty good indicator of success?

 

[BeesKnees22]

I don't really see how it could be. Kaplan is a business making a ton of money with these exams, which is why it costs something ridiculous like 220 USD to take an exam on a damn computer.