A Student Conducted a Bayesian Analysis of Increased Chocolate Consumption

A student conducted a Bayesian analysis of increased chocolate consumption and improved test scores.He calculated a Bayes factor of 1.Should he use chocolate consumption as a predictor of improved test scores?

A) No,a Bayes factor of 1 suggests that it is not worth eating more chocolate in order to improve test scores.
B) Yes,a Bayes factor of 1 suggests that it is worth a small increase in chocolate consumption in order to improve test scores.
C) No,a Bayes factor of 1 suggests that the data is corrupted.
D) Yes,a Bayes factor of 1 suggests that it is worth substantially increasing your chocolate consumption in order to improve test scores.