WHAT IS THE EXPERIMENTAL METHOD?
Hypothesis: a testable statement about the relationship between two variables. In an experiment these variables are called the independent variable (IV) and the dependant variable (DV).
Variable: a factor or thing that can change – it varies.
Independent variable (IV): the variable that the researcher alters or manipulates in order to look for an effect on another variable. This variable produces the two conditions of the study.
Dependent variable (DV): the variable that the researcher measures in order to see if the IV has affected it.
Experiment: the method of research in which all variables other than the IV and DV are controlled. This allows the researcher to identify a cause-and-effect relationship between the IV and DV.
Condition: an experiment is usually organized so there are two trials, after which the performances of the participants are compared. These are the conditions of the experiment.
Variable: a factor or thing that can change – it varies.
Independent variable (IV): the variable that the researcher alters or manipulates in order to look for an effect on another variable. This variable produces the two conditions of the study.
Dependent variable (DV): the variable that the researcher measures in order to see if the IV has affected it.
Experiment: the method of research in which all variables other than the IV and DV are controlled. This allows the researcher to identify a cause-and-effect relationship between the IV and DV.
Condition: an experiment is usually organized so there are two trials, after which the performances of the participants are compared. These are the conditions of the experiment.
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