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On page 213 of the commentary by Speekenbrink and Shanks (2011) on the target article by Jones & Love, there are some equations in which the operators are missing. The sentence that reads:

For example, suppose the sequence of rewards is S 1 and the sequence of responses is S 8. The first response x 1 = 1 implies that v 1+v 2+v 3+v 4v5v6v7v8; the second response x21 implies that v1v2v3v4; the third response x3 1 implies that v1v2. One choice of values consistent with this is vjj.

should read as follows:

For example, suppose the sequence of rewards is S 1 and the sequence of responses is S 8. The first response x 1 = 1 implies that v 1+v 2+v 3+v 4<v 5+v 6+v 7+v 8; the second response x 2 = 1 implies that v 1+v 2<v 3+v 4; the third response x 3 = 1 implies that v 1<v 2. One choice of values consistent with this is v j =j.

We regret the error.

## Reference

Speekenbrink, M. & Shanks, D. R. (2011) Is everyone Bayes? On the testable implications of Bayesian Fundamentalism. Behavioral and Brain Sciences 34(4):213–14.