The "Turtle Technique" Discussed in the Textbook

The "turtle technique" discussed in the textbook
demonstrates that:

A) child-development research can help teachers in real- life classrooms.
B) child-development research can help parents in real-life situations.
C) although child-development research can help trained therapists, it rarely can help real teachers and parents.
D) the techniques that parents and teachers believe work with children often do not stand up to rigorous scientificresearch.