When people predict that a certain result will not take place unless a certian action is taken, they believe that they have learned that the prediction is correct when the action is taken and the result occurs. On reflection, however, it often becomes clear that the result admits of more than one interpretation.
Which of the following, it true, best supports the calms above?
A) Judging the success of an action requires specifying the goal of the action.
B) Judging which action to take after a prediciton is made requires knowing about other actions.
C)Learning wheather a certain predictive strategy is good requires knowing the result of using that strategy through several trials.
D)Distinguishing a correct prediction and effective action from an incorrect prediction and ineffective action is often ompossible.
E) Making a successful prediction requires knowing the facts about the context of that prediction.
想請大家幫忙解釋一下題目的意思
還有答案為何是D 而非B呢?