Which of the statements below is correct? Statement 1: Imitation training is vital for developing various verbal operants, including mands, tacts, and intraverbals. Statement 2: The echoic model can be effectively used for learners who have not yet developed any imitative repertoire. HINT: What is the relation between imitation and echoic repertoire? Are they used to develop different verbal operants? Group of answer choices Only Statement 2 is correct. Both statements are correct. Only Statement 1 is correct. No answer text provided. Neither statement is correct. No answer text provided