When conducting an observational study, which of the following is crucial to ensure that the sample accurately represents the population?(1 point)

Question

Responses

Selecting participants who are easiest to reach.
Selecting participants who are easiest to reach.

Choosing a sample that only includes people with similar characteristics.
Choosing a sample that only includes people with similar characteristics.

Using a random selection method where every member of the population has an equal chance of being selected.
Using a random selection method where every member of the population has an equal chance of being selected.

Collecting data only from a specific subgroup of the population to simplify the study.

Answer 1

The crucial method to ensure that the sample accurately represents the population when conducting an observational study is:

Using a random selection method where every member of the population has an equal chance of being selected.

This approach helps to minimize bias and ensures that the sample reflects the diversity of the entire population.