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A control group
conduct repeated trials of his experiment.
is used to see if the change in the DV is due to the IV or to some other factor.
the relationship between 2 variables; if there is a predictable effect of one variable on another.
test hypotheses.
are the variables that are held constant (are the same) during an experiment.
should be done before beginning the experiment.
identify the independent and dependent variables.
should be done in the form of a testable question or problem statement.
Stating the purpose of a scientific investigation
conduct repeated trials of his experiment.
is used to see if the change in the DV is due to the IV or to some other factor.
the relationship between 2 variables; if there is a predictable effect of one variable on another.
test hypotheses.
are the variables that are held constant (are the same) during an experiment.
should be done before beginning the experiment.
identify the independent and dependent variables.
should be done in the form of a testable question or problem statement.
The main reason scientists design and conduct experiments is to
conduct repeated trials of his experiment.
is used to see if the change in the DV is due to the IV or to some other factor.
the relationship between 2 variables; if there is a predictable effect of one variable on another.
test hypotheses.
are the variables that are held constant (are the same) during an experiment.
should be done before beginning the experiment.
identify the independent and dependent variables.
should be done in the form of a testable question or problem statement.
Planning how to set up data tables and what kind of graph or analysis of data to do
conduct repeated trials of his experiment.
is used to see if the change in the DV is due to the IV or to some other factor.
the relationship between 2 variables; if there is a predictable effect of one variable on another.
test hypotheses.
are the variables that are held constant (are the same) during an experiment.
should be done before beginning the experiment.
identify the independent and dependent variables.
should be done in the form of a testable question or problem statement.
In order to write a hypothesis for an experiment, the investigator must first
conduct repeated trials of his experiment.
is used to see if the change in the DV is due to the IV or to some other factor.
the relationship between 2 variables; if there is a predictable effect of one variable on another.
test hypotheses.
are the variables that are held constant (are the same) during an experiment.
should be done before beginning the experiment.
identify the independent and dependent variables.
should be done in the form of a testable question or problem statement.
A scientific investigation attempts to answer a question about
conduct repeated trials of his experiment.
is used to see if the change in the DV is due to the IV or to some other factor.
the relationship between 2 variables; if there is a predictable effect of one variable on another.
test hypotheses.
are the variables that are held constant (are the same) during an experiment.
should be done before beginning the experiment.
identify the independent and dependent variables.
should be done in the form of a testable question or problem statement.
The controlled variables in an experiment
conduct repeated trials of his experiment.
is used to see if the change in the DV is due to the IV or to some other factor.
the relationship between 2 variables; if there is a predictable effect of one variable on another.
test hypotheses.
are the variables that are held constant (are the same) during an experiment.
should be done before beginning the experiment.
identify the independent and dependent variables.
should be done in the form of a testable question or problem statement.
An experimenter should
conduct repeated trials of his experiment.
is used to see if the change in the DV is due to the IV or to some other factor.
the relationship between 2 variables; if there is a predictable effect of one variable on another.
test hypotheses.
are the variables that are held constant (are the same) during an experiment.
should be done before beginning the experiment.
identify the independent and dependent variables.
should be done in the form of a testable question or problem statement.
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