What do you call a sample that goes through all the steps of an experiment but is not exposed to the experimental variable? control group dependent variable independent variable all variables/groups are exposed to the experimental variable

What do you call a sample that goes through all the steps of an experiment but is not exposed to the experimental variable? control group dependent variable independent variable all variables/groups are exposed to the experimental variable

Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter1: Learning About Human Biology

Section: Chapter Questions

Problem 7SQ

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Question

What do you call a sample that goes through all the steps of an experiment but is not exposed to the experimental variable?

control group

dependent variable

independent variable

all variables/groups are exposed to the experimental variable

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What variable is the one that you can manipulate or change? It is sometimes called experimental variable
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
In the experiment described above, state what each of these parts of the experiment was: Independent variable Dependent variable Control group Experimental group One controlled variable
Which of these factors is commonly manipulated during an experiment? independent variable dependent variable controlled variable continuous variable When carrying out an experiment, a scientist will observe changes in which factor? confounding variable dependent variable controlled variable independent variable Which of these factors remains intentionally unchanged in an experiment? controlled variable continuous variable independent variable dependent variable
The variable is a part of the experiment that varies or changes. True False
an independent variable is the variable measured in an experiment. True or False
In the experiment described above, specifically state what each of these parts of the experiment was: Independent variable Dependent variable Control group Experimental group One controlled variable
The null hypothesis is: That the measured value is zero That the proposed model is not correct and the measured factors have no effect on the pattern That the proposed model is correct and perfectly explains the pattern That the experiment is null and void
Why is it important to have a control for an experiment?
In a controlled experiment all of the variables are kept the same in order to contsistent. there is only one variable there is change for these kind of studies and it is known as variable
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.
Explain the differences between independent, dependent and controlled variables in an experiment