BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Chapter 30, Problem 1SL
Summary Introduction

To design:

An experiment to test the health of babies with respect to immediate clamping or delayed clamping of the umbilical cord.

Introduction:

Immediate clamping of the umbilical cord means that the umbilical cord is cut immediately within 1 minute after the birth of a child. Delayed clamping means that the umbilical cord is cut from the child, 5 minutes after the childbirth.

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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 30 Solutions

BIOLOGY:THE ESSENTIALS (LL) W/CONNECT

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