Whether the humans should be concerned about the current mass extinction that they are causing. Introduction: The process of extinction of all the population of a particular species is termed as a mass extinction. It is an important factor in evolution. It is believed that mass extinction occurs after a certain million years. Extinction simply means the loss of a particular species. There are various extinction species in nature such as Dodo, Passenger pigeons and so on.

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Q8. A researcher wants to study the effectiveness of a pill intended to reduce stomach heartburn in pregnant women. The researcher chooses randomly 400 women to participate in this experiment for 9 months of their pregnancy period. They all need to have the same diet. The researcher designs two groups of 200 participants: One group take the real medication intended to reduce heartburn, while the other group take placebo medication. In this study what are: Independent variable: Dependent variable: Control variable: Experimental group: " Control group: If the participants do not know who is consuming the real pills and who is consuming the sugar pills. This study is It happens that 40% of the participants do not find the treatment helpful and drop out after 6 months. The researcher throws out the data from subjects that drop out. What type of bias is there in this study? If the company who makes the medication funds this research, what type of bias might exist in this research work?

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Chapter 20, Problem 14TYU

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To explain: Whether the humans should be concerned about the current mass extinction that they are causing.

Introduction: The process of extinction of all the population of a particular species is termed as a mass extinction. It is an important factor in evolution. It is believed that mass extinction occurs after a certain million years. Extinction simply means the loss of a particular species. There are various extinction species in nature such as Dodo, Passenger pigeons and so on.

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Q8. A researcher wants to study the effectiveness of a pill intended to reduce stomach heartburn in pregnant women. The researcher chooses randomly 400 women to participate in this experiment for 9 months of their pregnancy period. They all need to have the same diet. The researcher designs two groups of 200 participants: One group take the real medication intended to reduce heartburn, while the other group take placebo medication. In this study what are: Independent variable: Dependent variable: Control variable: Experimental group: " Control group: If the participants do not know who is consuming the real pills and who is consuming the sugar pills. This study is It happens that 40% of the participants do not find the treatment helpful and drop out after 6 months. The researcher throws out the data from subjects that drop out. What type of bias is there in this study? If the company who makes the medication funds this research, what type of bias might exist in this research work?

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