Examlex
Which system is considered a parallel communication system to the nervous system in the body with its secretions passing directly into the bloodstream or lymph system?
Control Group
In experimental research, a group of subjects that does not receive the treatment being tested, used as a benchmark to measure the effect of the treatment on another group.
Operational Definition
A clear, precise description of a variable in terms of the procedures or operations used to measure or identify it.
Anxiety
Anxiety is a mental health disorder characterized by feelings of worry, anxiety, or fear that are strong enough to interfere with one's daily activities.
Empirically Tested
Examined or verified through observation and experimentation rather than through theory or pure logic.
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