FUNDAMEN OF ANATOMY +  PHYSIOLOGY + MAST
FUNDAMEN OF ANATOMY + PHYSIOLOGY + MAST
11th Edition
ISBN: 9780136782261
Author: Martini
Publisher: INTER PEAR
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Chapter 16, Problem 5RQ
Summary Introduction

Introduction:

The deterioration in the anatomy and physiology of the nervous system occurs with advancing age in human and lead to decline in brain function. This decline in brain functioning is caused due to a number of reasons such as decrease in brain size and weight with age, loss of neurons with age, less supply of blood to the brain and loss of synaptic connections.

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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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