The value of placebo in experimental design. Introduction: The placebo can be defined as the substance, which do not have a specific inherent value or medicinal value. In an experiment the placebo is provided to the control group and the experimental group to maintain a general condition for both.

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Answer 1

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Chapter 1, Problem 1LTB

Summary Introduction

To describe:

The value of placebo in experimental design.

Introduction:

The placebo can be defined as the substance, which do not have a specific inherent value or medicinal value. In an experiment the placebo is provided to the control group and the experimental group to maintain a general condition for both.

Expert Solution & Answer

Explanation of Solution

During any experiment, the placebo is used as a substance, which have 0 value of the experimental variable. The placebo helps in maintaining the similar condition for the experimental and the control group. This way, the placebo allows to minimize the effect of other variables, such as temperature, pressure, etc.

Conclusion

The placebo allows treatment of the control group similar to the experimental group except for the independent variable being tested in the experimental group. Hence, it reduces the effect of other variables, which are not required to be tested.

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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?

Answer 2

Question

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Chapter 1, Problem 1LTB

Summary Introduction

To describe:

The value of placebo in experimental design.

Introduction:

The placebo can be defined as the substance, which do not have a specific inherent value or medicinal value. In an experiment the placebo is provided to the control group and the experimental group to maintain a general condition for both.

Expert Solution & Answer

Explanation of Solution

During any experiment, the placebo is used as a substance, which have 0 value of the experimental variable. The placebo helps in maintaining the similar condition for the experimental and the control group. This way, the placebo allows to minimize the effect of other variables, such as temperature, pressure, etc.

Conclusion

The placebo allows treatment of the control group similar to the experimental group except for the independent variable being tested in the experimental group. Hence, it reduces the effect of other variables, which are not required to be tested.

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Answer 3

Question

100%

Chapter 1, Problem 1LTB

Summary Introduction

To describe:

The value of placebo in experimental design.

Introduction:

The placebo can be defined as the substance, which do not have a specific inherent value or medicinal value. In an experiment the placebo is provided to the control group and the experimental group to maintain a general condition for both.

Expert Solution & Answer

Explanation of Solution

During any experiment, the placebo is used as a substance, which have 0 value of the experimental variable. The placebo helps in maintaining the similar condition for the experimental and the control group. This way, the placebo allows to minimize the effect of other variables, such as temperature, pressure, etc.

Conclusion

The placebo allows treatment of the control group similar to the experimental group except for the independent variable being tested in the experimental group. Hence, it reduces the effect of other variables, which are not required to be tested.

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Answer 4

Question

100%

Chapter 1, Problem 1LTB

Summary Introduction

To describe:

The value of placebo in experimental design.

Introduction:

The placebo can be defined as the substance, which do not have a specific inherent value or medicinal value. In an experiment the placebo is provided to the control group and the experimental group to maintain a general condition for both.

Expert Solution & Answer

Explanation of Solution

During any experiment, the placebo is used as a substance, which have 0 value of the experimental variable. The placebo helps in maintaining the similar condition for the experimental and the control group. This way, the placebo allows to minimize the effect of other variables, such as temperature, pressure, etc.

Conclusion

The placebo allows treatment of the control group similar to the experimental group except for the independent variable being tested in the experimental group. Hence, it reduces the effect of other variables, which are not required to be tested.

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Answer 5

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Answer 6

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Answer 7

Chapter 1, Problem 1LTB

Summary Introduction

To describe:

The value of placebo in experimental design.

Introduction:

The placebo can be defined as the substance, which do not have a specific inherent value or medicinal value. In an experiment the placebo is provided to the control group and the experimental group to maintain a general condition for both.

Expert Solution & Answer

Explanation of Solution

During any experiment, the placebo is used as a substance, which have 0 value of the experimental variable. The placebo helps in maintaining the similar condition for the experimental and the control group. This way, the placebo allows to minimize the effect of other variables, such as temperature, pressure, etc.

Conclusion

The placebo allows treatment of the control group similar to the experimental group except for the independent variable being tested in the experimental group. Hence, it reduces the effect of other variables, which are not required to be tested.

Answer 8

Chapter 1, Problem 1LTB

Summary Introduction

To describe:

The value of placebo in experimental design.

Introduction:

The placebo can be defined as the substance, which do not have a specific inherent value or medicinal value. In an experiment the placebo is provided to the control group and the experimental group to maintain a general condition for both.

Expert Solution & Answer

Explanation of Solution

During any experiment, the placebo is used as a substance, which have 0 value of the experimental variable. The placebo helps in maintaining the similar condition for the experimental and the control group. This way, the placebo allows to minimize the effect of other variables, such as temperature, pressure, etc.

Conclusion

The placebo allows treatment of the control group similar to the experimental group except for the independent variable being tested in the experimental group. Hence, it reduces the effect of other variables, which are not required to be tested.

Answer 9

Chapter 1, Problem 1LTB

Summary Introduction

To describe:

The value of placebo in experimental design.

Introduction:

The placebo can be defined as the substance, which do not have a specific inherent value or medicinal value. In an experiment the placebo is provided to the control group and the experimental group to maintain a general condition for both.

Answer 10

Expert Solution & Answer

Explanation of Solution

During any experiment, the placebo is used as a substance, which have 0 value of the experimental variable. The placebo helps in maintaining the similar condition for the experimental and the control group. This way, the placebo allows to minimize the effect of other variables, such as temperature, pressure, etc.

Answer 11

Expert Solution & Answer

Answer 12

Expert Solution & Answer

Answer 13

Conclusion

The placebo allows treatment of the control group similar to the experimental group except for the independent variable being tested in the experimental group. Hence, it reduces the effect of other variables, which are not required to be tested.

Answer 14

Ch. 1 - Prob. 1LTB Ch. 1 - Which of the following is an example of inductive...Ch. 1 - A scientific hypothesis is ___________. an...Ch. 1 - How is a scientific theory different from a...Ch. 1 - Prob. 5LTB Ch. 1 - If I perform a hypothesis test in which I...Ch. 1 - Prob. 7LTB Ch. 1 - Prob. 8LTB Ch. 1 - A relationship between two factors, for instance,...Ch. 1 - A primary source of scientific results is...

The value of placebo in experimental design. Introduction: The placebo can be defined as the substance, which do not have a specific inherent value or medicinal value. In an experiment the placebo is provided to the control group and the experimental group to maintain a general condition for both.

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Explanation of Solution

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