A female researcher was interested in why men were marching at a recent women’s March. She interviewed male marchers while wearing pink and carrying a protest sign. What type of method was she using? A. A qualitative research method
B. An observational research method
C. A participant- observer research method
D. All of these research methods apply

The correct answer is - D. All of these research methods apply.

Explanation:

The participant-observation research method is a qualitative research method and also an observational research method as in this researcher studies or interviews a group of subjects not only by observing the subject group but also by participating in the activities of the group.

In this case, the researcher observes and interviews the male participants while wearing a pink t-shirt and holding a sign as a participant to know why men were marching at a recent women’s March.

answer; i believe that the correct answer is (essential amino acids);

the second one is wrong

explanation: