A sample that is drawn so that each member of a target population has an equal chance of being chosen to participate in the sample is called a ______.

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A random sample ensures that each member of the target population has an equal chance of being chosen, which helps to avoid potential biases in the sample. Stratified samples involve dividing the population into subgroups and then selecting a proportional number of participants from each subgroup, which can be useful in ensuring representation from different demographic groups. Control samples are used in experimental designs to compare an intervention group to a group that does not receive the intervention. Selection samples are not a commonly used term in research methods.

A Sample That Is Drawn So That Each Member of a Target