percentage of individuals show a particular effect of a drug
background of the student population
temperature, humidity, airflow, and heat radiation that determines how hot or cold the environment feels.
method of contraception .
Effectiveness studies refer to studies that emphasize external validity and the representativeness of the treatment that is administered. A treatment is considered effective to the extent that clients report clinically significant benefit from the treatment. Moreover, Effectiveness studies is defined as the assessments of therapeutic effectiveness based on well-controlled investigation of well-defined clinical problems.
neuron, example, a skeletal muscle in a withdrawal reflex .
axon is defined as a neuron that carries information away from a structure
fibers refer to nerve fibers (motor fibers) that carry neural information from the central nervous system to the periphery.