Asked by Yuzuna Tanaka on Jul 20, 2024
Verified
Which of the following types of samples is almost always biased?
A) Simple random samples.
B) Stratified random samples.
C) Cluster samples.
D) Self-selected samples.
Biased
Showing preference or prejudice for or against something or someone, often in a way considered to be unfair.
Simple Random Samples
A subset of individuals chosen from a larger set, where each individual has an equal chance of being selected.
- Discover and interpret common biases found in research and surveys.
- Master the understanding of sampling concepts and the assortment of techniques available.
Verified Answer
GH
Gammaniella HarvardJul 24, 2024
Final Answer :
D
Explanation :
Self-selected samples are almost always biased because the sample is composed of individuals who choose to participate, which may not accurately represent the population being studied. Those who choose to participate may have certain characteristics that differ from those who choose not to participate, leading to a biased sample.
Learning Objectives
- Discover and interpret common biases found in research and surveys.
- Master the understanding of sampling concepts and the assortment of techniques available.
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