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A parameter in an experiment that can change is known as a variable.
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Why should psychologists question the results of an experiment that they conducted for the first time?
Experimentation enables the investigator to control the situation and to decrease the possibility that unnoticed, outside variables will influence the results. From Understanding Psychology Teacher Wraparound Edition, Hardcover (2008)
Can a hypothesis ever be disproved by a single experiment?
Yes, if the experiment does not produce the same results time and time again
What is a fire science investigator?
A fire science investigator is a investigator who try to find out why the fire started
Is there a variable that can be manipulated by the investigator?
Yes, there is a variable that can be manipulated by the investigator. What that variable is depends on what the investigator is investigating and the variables that are available.
What dose controlled experiment mean?
this is an experiment that only one varible is manipulated at a time
In a psychological experiment the factor that is manipulated by the investigator is called?
The factor that is manipulated by the investigator in a psychological experiment is called the independent variable. It is the variable that the researcher changes or controls to see how it affects the dependent variable.
Why does an investigator change only one variable in an experiment?
So the variable can be at constant.
Who is an investigator who conducts an experiment to determine how the rate at which the heart beats is affected by temperature changes?
physiologist
How cuch does a homicide investigator get paid?
A homicide investigator's pay varies widely depending what jurisdiction they serve or what agency employs them and how long they've been doing the job.
What type of variable are factors that are being tested in an experiment and varies by the experiment?
independent variables :):):):):):):):):):):):)
Who is responsible to ensure that safety procedures are followed when conducting an experiment?
When conducting an experiment in a laboratory environment, the person conducting the experiment and the Instructor or Principle Investigator are responsible for ensuring that appropriate safety procedures are followed.
Why does the investigator in an experiment change only one variable?
the investigator only changes one variable in an experiment because they need to see how that one variable reacts. if you wanted to see how the dependent variable changed but changed the independent variable you would not see how the one variable reacts.
An investigator who conducts an experiment to determine at how the rate at which the heart beat is affected by how temperature changes is most like a?
physiologist
An investigator who conducts an experiment to determine how the rate at which the heart beats is affected by temperature changes is most likely to be?
Physiologist
Which of theses factors varies due to effects of the factor being tested in a controlled experiment?
The dependent variable varies due to effects of the factor being tested in a controlled experiment.
What is the difference between a manipulative experiment and a natural experiment?
in a manipulative experiment the investigator has control over the variables in the experiment. a natural experiment is simply making observations of naturally occurring events and looking for correlations between phenomena. Natural experiments are primarily just measuring and analyzing statistics.
What is the variable in which the investigator changes or manipulates during the experiment?
the experimental variable, also called the independent variable
