QuestionMay 30, 2025

During the pandemic, Dr Amin has been testing a new nasal spray vaccine to see if it's effective by dividing people into groups where some people receive the vaccine and others receive a placebo (meaning they get a nasal spray without the vaccine being tested.) What type of research method is this? A Participant observation B Experiment C Survey D Interviews

During the pandemic, Dr Amin has been testing a new nasal spray vaccine to see if it's effective by dividing people into groups where some people receive the vaccine and others receive a placebo (meaning they get a nasal spray without the vaccine being tested.) What type of research method is this? A Participant observation B Experiment C Survey D Interviews
During the pandemic, Dr Amin has been testing a new nasal spray vaccine to see if it's effective by dividing people into groups
where some people receive the vaccine and others receive a placebo (meaning they get a nasal spray without the vaccine being
tested.) What type of research method is this?
A Participant observation
B Experiment
C Survey
D Interviews

Solution
4.5(156 votes)

Answer

B Experiment Explanation This scenario describes a controlled study where participants are divided into groups to test the effectiveness of a vaccine against a placebo. This is characteristic of an experimental research method, which allows for causal inferences.

Explanation

This scenario describes a controlled study where participants are divided into groups to test the effectiveness of a vaccine against a placebo. This is characteristic of an experimental research method, which allows for causal inferences.
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