Independent variable refers to the input or stimulus that is manipulated or observed.
It is controlled by the tester
Other /More definition:
independent variable refers to phenomenon manipulated by the experimenter in a study and expected to influence the dependent variable.
Related Articles | |
| Dependent variable at psychology-glossary.com | ■■■■■ |
A dependent variable is what you measure in the experiment and what is affected during the experiment. . . . Read More | |
| Experimental method at psychology-glossary.com | ■■■■ |
Experimental method refers to a research method used to uncover cause-and-effect relationships between . . . Read More | |
| Operational definitions at psychology-glossary.com | ■■■■ |
Operational definitions refer to observable operations, procedures, and measurements that are based on . . . Read More | |
| Analogue study at psychology-glossary.com | ■■■■ |
Analogue study refers to a investigation that attempts to replicate or simulate, under controlled conditions, . . . Read More | |
| Randomization at psychology-glossary.com | ■■■■ |
Randomization refers to the process whereby individuals are assigned to study groups without biases or . . . Read More | |
| Manipulation at psychology-glossary.com | ■■■■ |
Manipulation is defined as the alteration of a variable by an experimenter in expectation that the alteration . . . Read More | |
| Ex post facto design at psychology-glossary.com | ■■■■ |
Ex post facto design is defined as a scientific study in which the values of the independent variable . . . Read More | |
| Posttesting at psychology-glossary.com | ■■■■ |
Posttesting is defined as the re-measurement of a dependent variable among subjects after they have been . . . Read More | |
| Pretesting at psychology-glossary.com | ■■■■ |
Pretesting is defined as the measurement of a dependent variable among subjects before they are exposed . . . Read More | |
| Alternative hypothesis at psychology-glossary.com | ■■■■ |
Alternative hypothesis refers to an assertion that the independent variable in a study will have a certain . . . Read More | |