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A researcher claims that a new meditation technique reduces stress for all adults after testing it only on individuals who responded to a public advertisement and chose to participate. In evaluating the validity of this claim, a critic would note that the study is likely compromised by _____ bias, as those who opted in may differ systematically from the general population.
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Research Methods in Psychology - 4th American Edition @ KPU
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What is the defining characteristic of self-selection sampling?
Because individuals autonomously volunteer for a study, self-selection sampling generally avoids the risk of sampling bias.
A sports psychologist is researching the mental preparation of marathon runners. They post an invitation to an online survey on a popular running forum, allowing any forum member to participate if they wish. Match each component of this research scenario to the methodological concept it illustrates.
Analyze the process through which self-selection bias develops. Arrange the following steps in the correct chronological order to show how this sampling method leads to a non-representative sample.
In self-selection sampling, individuals autonomously choose to participate in a research study of their own accord without being directly approached or invited by the researcher.
Which statement best explains why self-selection sampling often results in a sample that fails to accurately represent the general population?
A researcher claims that a new meditation technique reduces stress for all adults after testing it only on individuals who responded to a public advertisement and chose to participate. In evaluating the validity of this claim, a critic would note that the study is likely compromised by _____ bias, as those who opted in may differ systematically from the general population.
A psychology department wants to understand student study habits. Match each research design component with its correct description or implication based on the principles of self-selection sampling.
An investigator publishes a survey link on a public social media page to study sleep quality. In analyzing the internal and external validity of their findings, the researcher must recognize that because participants autonomously opted in rather than being randomly selected, the results are highly vulnerable to _____ bias.
Evaluate the generalizability and risk of sampling bias across different research designs. Order the following scenarios from the HIGHEST level of generalizability (least biased) to the LOWEST level of generalizability (most biased).