Examlex
The object of sampling is to obtain data that is representative of the population.
Skin Conductance
A measure of the electrical conductance of the skin, reflecting the sweat gland activity, often used as an indicator of emotional or physiological arousal.
Normal Distribution
A bell-shaped frequency distribution curve that is symmetrical about the mean, showing that data near the mean are more frequent in occurrence.
Confounding Variables
Confounding Variables are external factors in a study or experiment that could influence or distort the relationship between the variables being examined.
Extraneous Variables
Variables that are not the focus of a study but can affect the outcome of research if not properly controlled.
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