The act of retrieval can have both positive and negative outcomes. On one hand, it improves the information just retrieved and increases the likelihood it will be retrieved again, a phenomenon called the _______________. On the other hand, it harms related information causing a person to forget such related information, a phenomenon called _____________.A. retrieval practice effect; retrieval-induced forgettingB. retrieval-induced forgetting; retrieval practice effectC. addition effect; subtraction principleD. subtraction principle; addition effect