What is stated in paragraph 1 about Adler?

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He had found that the responses by family members had little to do with personality.

He believed that it was the actual birth order that affected personality.

He was one of the first to study the effect of birth order on personality.

He was the only one to study birth order.

Giải thích

Đáp án C
Thông tin: Psychologist Alfred Adler was a pioneer in the study of the relationship between birth order and personality.