Roberta, a Student Teacher, Feels Certain That a Textbook or a Practicing

Roberta, a student teacher, feels certain that a textbook or a practicing teacher will be able to describe guidance strategies that work. Roberta needs to know that

A) children are different but the same strategies work.
B) teachers handle behaviors based on examples their parents and teachers modeled in their own childhood.
C) there are no techniques that always work.
D) books and practicing teachers agree on best methods.
E) None of these answers are correct.