Improve the grammaticality of this sentence: From this statement, we know that psychology aims to improve system by helping people in psychological way.
The author of the article is a psychologist, and the article is a book.
- 1.1.1. The author of the article is a psychologist.
- 1.1.2. The author is a psychologist.
- 1.1.3. The article is a book.
- 1.1.4. The book is a book.
- 1.1.5. The book is a book.
- 1.1
The sentence is not grammatically correct.
The sentence is not grammatically correct.
The sentence is not grammatically correct.
The sentence is grammatically correct.
The sentence is grammatically incorrect.
The sentence is grammatically incorrect.
The sentence is grammatically correct.
The sentence is grammatically incorrect.
The sentence is grammatically correct.
The sentence is grammatically incorrect.
The sentence is grammatically incorrect.
The sentence is grammatically correct.
The