Examlex
The one-group pretest-posttest is a type of ________.These designs do not control for extraneous factors by randomization.
Precaution
A measure taken in advance to prevent something dangerous, unpleasant, or inconvenient from happening.
Endoscope
A medical instrument consisting of a long, flexible tube with a camera and light attached, used to visualize the interior of a bodily organ or cavity.
Disinfecting
The process of cleaning something, especially with a chemical, in order to destroy bacteria.
Technician
A professional skilled in the practical aspects of a specific field or discipline, often involved in the application of technical procedures or equipment.
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