Dr. zaius believes that no one theory can explain human development and has developed an approach that incorporates elements from many of the major theories. given this description, dr. zaius is best classified as a(n) theorist.

Eclectic theorist

Explanation:

Eclectic theorist -

It refers to the person , who believes that not a single paradigm is sufficient , but a set of theories are responsible to study a particular topic , is referred to as a Eclectic theorist .

Hence , by using various theories gives a better idea about the topic .

Hence, from the scenario of the question,

Dr, Zaius is an Eclectic theorist .

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