The target heart range by Karvonen and percent of maximal HR method. Introduction: CRF- Cardiorespiratory fitness/ function is defined as the ability of the body to perform physical activities for longer span of time with halt or break. Good aerobic capacity of a body could be related to CRF- Cardiorespiratory fitness/ function. A person with good CRF is said to have good quality of life and less prone body to diseases.

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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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Question

Chapter 16, Problem 6SA

Summary Introduction

To determine: The target heart range by Karvonen and percent of maximal HR method.

Introduction: CRF- Cardiorespiratory fitness/ function is defined as the ability of the body to perform physical activities for longer span of time with halt or break. Good aerobic capacity of a body could be related to CRF- Cardiorespiratory fitness/ function. A person with good CRF is said to have good quality of life and less prone body to diseases.

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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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