To study the development of relationships, dr. rajiv carefully observed and recorded patterns of verbal and nonverbal behaviors among men and women in singles bars. which research method did dr. rajiv employ? a. naturalistic observation
b. replication
c. survey
d. case study
e. experimentation

naturalistic observation

Explanation:

According to my research on different research methodology, I can say that based on the information provided within the question Dr. Rajiv employed a naturalistic observation. This is a research method in which the researcher observes a subject in his/her natural environment without interference from the researcher or any third party that may affect the results.

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answer; the terminally ill;

i think its pulmonary not sure tho