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Sentence Correction: Preposition and Idiom Questions - Overview

Art therapy and drama therapy, which are based in a broad spectrum of psychological theories, can give insight into the development of a child.

This answer choice is grammatically incorrect because it uses an incorrect preposition. The correct idiom is: based on/ based upon.

Although this answer choice corrects the original Preposition error, it creates another. The correct idiom is: give insight into.

Although this answer choice corrects the original Preposition error, it creates another. The correct idiom is: development of.

Although this answer choice corrects the original Preposition error, it is illogical. The relative clause which are based on a broad spectrum of psychological theories is clearly intended to modify the noun Drama therapy and art therapy. However, it follows the noun child.

What helps us identify this question as a Relative Clause question as well as identify the mistake is the following Stop Sign:

who, which, that, whose, whom

Very good!

The correct idiom is: based on/ based upon.

Art therapy and drama therapy, which are based in a broad spectrum of psychological theories, can give insight into the development of a child
Art therapy and drama therapy, which are based on a broad spectrum of psychological theories, can give insight to the development of a child
Drama therapy and art therapy can give insight into the development of a child, which are based on a broad spectrum of psychological theories
Art therapy and drama therapy, which are based on a broad spectrum of psychological theories, can give insight into the development as a child
Art therapy and drama therapy, which are based on a broad spectrum of psychological theories, can give insight into a child's development