In a(an) ________, developmental psychologists collect a great deal of information from one individual in order to better understand physical and psychological changes over the lifespan.a. case studyb. experimentc. naturalistic observationd. secondary analysis

Answer :

Answer:

a. case study

Explanation:

Case study -

It is one of the research method , which involve the complete in - depth study about the particular topic or incident , is referred to as case study .

In case study , all the aspect are considered ,like ,  anything related to history is taken under consideration , all the medical reports or any other reports are studied.

Case study require lot of study , in complete detail.

Hence, from the given scenario of the question,

The correct term is Case study.

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