Match the following scenarios with anecdotal, observational study, and experimen
ID: 3239480 • Letter: M
Question
Match the following scenarios with anecdotal, observational study, and experimental study.
1. An investigator assigns patients into one of three diet types, to measure its effect on stress level.
A patient reports to their doctor that a certain change in diet has reduced their stress.3.
3. An investigator collects data from doctors about patients’ stress levels and eating habits, to understand the relationship
CHOICES:
A. experimental study
B. observational study
C. anecdotal
Match the following scenarios with anecdotal, observational study, and experimental study.
1. An investigator assigns patients into one of three diet types, to measure its effect on stress level.
2.A patient reports to their doctor that a certain change in diet has reduced their stress.3.
3. An investigator collects data from doctors about patients’ stress levels and eating habits, to understand the relationship
CHOICES:
Explanation / Answer
In an experiment investigators apply treatments to experimental units (people, animals, plots of land, etc.) and then proceed to observe the effect of the treatments on the experimental units.
In an observational studyinvestigators observe subjects and measure variables of interest without assigning treatments to the subjects. The treatment that each subject receives is determined beyond the control of the investigator.
In science, definitions of anecdotal evidence include: "casual observations or indications rather than rigorous or scientific analysis" "information passed along by word-of-mouth but not documented scientifically
Based on this definition
A. Expiremental
B. Anecdotal
C. Observational
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