Observing the outcomes
Data is usually collected by experiment or observation.Observation is used to collect data when it is not possible for practical or ethical reasons to perform experiments.
The 3 major methods of data collection
The 3 primary sources and methods of data are observations, interviews, and questionnaires, But there are more methods also available for Data Collection. Different methods have different strengths and weaknesses depending on the purpose of the study.
9. The method used by the physicist in collecting data.
A. Conducting survey
B. Observing the outcomes
C. Taking measu...
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