Chapter 3 Variables ? something that varies; must have at least 2 levels, values Constant ? something that could potentially vary but has only 1 level in the study in question Measured vs Manipulated Variables Measured variables ? recording an observation, a statement or a value some variables cannot be manipulated, only measured (eg. gender, IQ, traits such as depression) Manipulated variables ? controlling levels of variable by assigning participants to different levels of that variable some variables cannot be manipulated; it would be unethical (eg.assign children to ?high-quality school? or ?low-quality school? conditions)
Research Methods in Psychology: Evaluating a World of Information Chapter 3
Chapter 3 Variables ? something that varies; must have at least 2 levels, values Constant ? something that could potentially vary but has only 1 level in the study in question Measured vs Manipulated Variables Measured variables ? recording an observation, a statement or a value some variables cannot be manipulated, only measured (eg. gender, IQ, traits such as depression) Manipulated variables ? controlling levels of variable by assigning participants to different levels of that variable some variables cannot be manipulated; it would be unethical (eg.assign children to ?high-quality school? or ?low-quality school? conditions)
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