Before revision: The authors found initial evidence for the hypothesis, and so did Storms, who also examined one possible explanation of the hypothesis: that actors explain their behaviors by reference to the situation because they attend to the situation (not to their own behaviors) whereas observers explain the actor's behavior by reference to the actor's dispositions because they attend to the actor's behavior (not to the situation).
After revision: The authors found initial evidence for the hypothesis, and so did Storms, who also examined one possible explanation of the hypothesis: actors explain their behaviors because they attend to the situation (not to their own behaviors) whereas observers attend to the actor's behavior (not to the situation).