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Question 172 pts A researcher is interested in examining whether the area of ethnic origin of...

Question 172 pts

A researcher is interested in examining whether the area of ethnic origin of Americans affects their health. After a large nationwide study is conducted, researchers find that European American participants have better health than participants from all other groups. The researcher is concerned, however, that participants from other groups may have a lower socioeconomic status than European American participants, and that socioeconomic status may explain the results. The researcher is concerned with a(n) _____ effect.

Group of answer choices

maturation

attrition

testing

selection

Social-Sciences   psychology   
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Answer #1

Right answer - selection

Explanation - The selection effect mostly seen in a study when that study is gathering data from different group of people and the data collection process is not enough well to achieve randomization in the study. So when this happens the researcher can't be assured that his/her collected data is enough accurate to represent a particular population or ethnic group. Here the researcher is not enough sure to explain the findings of the study, so we could say here the researcher's major concern is the selection effect.

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