Principles of Biology
Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 1, Problem 10TY
Summary Introduction

Introduction:

Hypothesis testing is also known as the scientific method is used to test the validity of a hypothesis. When the hypothesis is tested, the experiments are done on a control group and on an experimental group.

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A properly designed experiment contains the following:   positive and negative controls and experimental conditions.   positive control and experimental conditions.   positive and negative controls   control and experimental
The 'control group' is an essential component of an experiment. This is because   1. A control group allows one to determine if a particular result is due to the experimental variable. 2. No, it's not essential in experimentation. A control group is not always necessary it depends on the experiment. 3. A control group allows for multiple variables to be tested at the same time. 4. A control group is required for the development of a prediction.
What variable is the one that you can manipulate or change? It is sometimes called experimental variable
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