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Why is it important to keep all environmental conditions the same except for the experimental variable?
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What conditions must be met if you want to have a scientifically valid sample for a study?
You must have a control group, an experimental group, an experimental variable (also called the independent variable), and a response to be measured (also called the dependent variable). The experimental variable is applied only to the experimental group, so that any difference between the control group and experimental group is due only to the experimental variable. Both the control group and experimental group must have the same conditions, except for the experimental variable.
What is the research method in which the investigator manipulates a variable under carefully controlled conditions?
Experimental Method
Why is it important to control your experiment?
It's important to control your experiment so that you can be sure the results are due to the experimental variable (independent variable) and not something else.
What type of a variable is an experimental controls?
independent variable
What is experimental Variable?
The independent variable is the one variable that you change in your experiment
What conditions must be met if you want to have a scientifically valid sample for a study?
You must have a control group, an experimental group, an experimental variable (also called the independent variable), and a response to be measured (also called the dependent variable). The experimental variable is applied only to the experimental group, so that any difference between the control group and experimental group is due only to the experimental variable. Both the control group and experimental group must have the same conditions, except for the experimental variable.
Why is a control group important to have in a experiment?
A control group is the standard of comparison between what happens with the experimental variable and without the experimental variable.
What produces variable traits depending on environmental conditions?
A chameleon
What produces variable traits depending on the environmental conditions?
Alleles
What is the research method in which the investigator manipulates a variable under carefully controlled conditions?
Experimental Method
What is a blocking variable?
It is a categorical variable such as a subject's gender or race which are not experimental conditions but are still included into the statistical analysis as a mean of statistical control.
How many variables are changed in a experiment?
Controlling for a variable is the act of deliberately varying the experimental conditions in order to take a single variable into account in the prediction of the outcome variable. Controlling tends to reduce the experimental error. A control is something that does not change in the experiment.
Why is it important to control your experiment?
It's important to control your experiment so that you can be sure the results are due to the experimental variable (independent variable) and not something else.
What is a synonym for experimental variable?
Variable
Why must all conditions except independent variables be held constant for all experimental treatments?
because other conditions could affect the dependent variable
What is the experimental variable for the study of the effects of anxiety on self-esteem be?
Anxiety would be the experimental variable
What is the experimental variable?
The independent variable is the one variable that you change in your experiment
