Examlex
Myelination of certain parts of the brain continues into the second decade of life.
Operational Definitions
Observable operations, procedures, and measurements that are based on the independent and dependent variables.
Internal Validity
The extent to which a study can demonstrate a causal relationship between variables, minimizing the influence of external factors.
Independent Variable
A variable that is manipulated or changed in an experiment to observe its effects on a dependent variable.
Dependent Variable
In experimental research, the variable that is observed and measured to determine the effect of the independent variable, reflecting outcomes or changes.
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