Bulldog McRae was recently traded to a new football team. He is struggling to remember the plays for his new team because he keeps mixing them up with the plays from his previous team. Bulldog's problem illustrates the operation of: A. retroactive interference. B. proactive interference. C. transfer-inappropriate processing. D. parallel distributed processing.

Bulldog McRae, a football player, is having trouble remembering the plays for his new team because he keeps confusing them with the plays from his previous team. We need to determine which psychological concept best explains this situation.

A. Retroactive interference: This occurs when newly learned information makes it harder to remember older information. In the context of this problem, it would mean that learning the new team's plays makes it more difficult to remember the plays from the previous team. B. Proactive interference: This occurs when previously learned information makes it harder to learn and remember new information. In this case, it would mean that memory of the previous team's plays makes it more difficult to learn and remember the new team's plays. C. Transfer-inappropriate processing: This refers to problems in remembering because the way information is learned initially does not match the way it needs to be retrieved or applied later. In this situation, it would mean that the way Bulldog learned the plays from his previous team is not compatible with the way he needs to remember the plays for his new team. D. Parallel distributed processing: This is a computational model of cognitive processing that emphasizes the simultaneous processing of information rather than sequential processing. It does not directly relate to Bulldog's problem with remembering plays.

Based on the definitions and analysis of each option, we can see that the best fit for Bulldog's problem is option B. Proactive interference. The memory of his previous team's plays is interfering with his ability to learn and remember the new team's plays.

The correct answer is B. Proactive interference.