Examlex
Define random assignment and provide an example of a study that would use random assignment. Why is random assignment considered to play a crucial role in an experimenter's ability to demonstrate cause and effect?
Spinal Column
The series of vertebrae extending from the skull to the lower back, encasing the spinal cord and providing structural support to the body.
Herniation
The abnormal protrusion of an organ or tissue through a structure or part that normally contains it.
Folic Acid
A B-vitamin essential for cell growth and metabolism, important for pregnant women to prevent neural tube defects in infants.
Prenatal Vitamin
A supplement specially formulated to support the health of both pregnant women and their developing fetuses, typically containing folic acid, iron, calcium, and other vitamins and minerals.
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