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have no variables
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What are two types of scientific investigations that scientist use when a controlled experiment is not practical?
When a controlled experiment is not possible or practical, two types of scientific investigations are observation and modeling.
What are the two groups in a controlled experiment?
Dependent and independent variable
True or false when testing a hypothesis by conducting a controlled experiment two variables are changes at a time?
False
The part in a controlled experiment that receives some kind of treatment or condition and is compared to the control group is called?
Controlled experiments contain two parts, the control group and the variable group. The variable group is the group that receives treatment and attention. These two groups are used to compare to each other at the end of the experiment.
In a properly designed experiment how many mainpulated responding and controlled variables should you have why?
In a properly designed experiment, it is important to have at least 2 controlled variables. With two variables you are able to remove one at a time and see the effect in your setup.
What happens in an controlled experiment?
the two groups are compared
What are two types of scientific investigations that scientist use when a controlled experiment is not practical?
When a controlled experiment is not possible or practical, two types of scientific investigations are observation and modeling.
What are the two groups in a controlled experiment?
Dependent and independent variable
What are two groups in a controlled experiment?
Experimental group and Control group
What isa controlled experiment?
Pretty much having controlled variables. Controlled variables are something in the experiment that must remain the same through all tests. For example, if you are testing the decay of an apple... The temperature that the two fruits are enduring during the experiment must be the exact same.
What is a breeding experiment where a single trait controlled by two alleles is examined called?
monohybrid cross
When testing a hypothesis by conducting a controlled experiment two variables are changed at Time true or false?
False
When testing a hypothesis by conducting a controlled experiment two variables are changed at a time true or false?
False
True or false when testing a hypothesis by conducting a controlled experiment two variables are changes at a time?
False
A blank compares two numbers?
a what compares two numbers by division?
What is an controlled experiment?
A controlled experiment can be used to test almost anything. In a controlled experiment, the scientist (or experimenter) use a control group and an experimental group. The control group has nothing changed about it, and experiment group is changed based on the variable of the experiment. One of the most common uses of controlled experiments is the testing of new medications. In a medical study, a pharmaceutical company usually brings in a group of 100 people. Those people people are randomly assigned to two groups of 50. The experiment group is given the medication being tested, and the control group is given a placebo (a sugar pill). After several weeks, the experimenter can then see the side-effects of the medication, by comparing the differences between the experiment and control groups.
The part in a controlled experiment that receives some kind of treatment or condition and is compared to the control group is called?
Controlled experiments contain two parts, the control group and the variable group. The variable group is the group that receives treatment and attention. These two groups are used to compare to each other at the end of the experiment.
