Examlex
Which form of electromagnetic radiation has the highest frequency?
Exposure
refers to the extent or duration to which an individual is subjected to a particular environment, substance, or condition.
Testing Effect
A threat to internal validity in which taking a pretest changes behavior without any effect on the independent variable.
Quasi-experimental Designs
Research designs that attempt to establish causal relationships but lack random assignment of participants to conditions.
Cholesterol Level
A measurement of the total cholesterol, including low-density and high-density lipoprotein, in an individual's blood.
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