Examlex
Carbon is an element, meaning that it cannot be broken down further by chemical means.
Experimental Research
A method of research in the social sciences in which a controlled experimental factor is subjected to special treatment for purposes of comparison with a factor kept constant.
Physiological Test
An evaluation designed to measure the biological functions of an individual, often used to assess health or physical condition.
Psychometric Test
Standardized assessments designed to measure mental performance, personality characteristics, aptitudes, and other psychological attributes.
Control Group
In experimental research, the group of participants that does not receive the experimental treatment, serving as a comparison for evaluating the effect of the treatment.
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