In a Random Sample, Cases Are Chosen

question 32

Multiple Choice

In a random sample, cases are chosen

• A) on the basis of some standard criterion, such as size of population.
• B) as haphazardly as possible.
• C) so that each case has an equal chance of being selected.
• D) from among materials the researcher happens to have at home or in the office.

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Definitions:

Plantar Flexion

The movement of the foot that increases the angle between the sole of the foot and the back of the leg, like pointing the toes.

Dorsiflexion

The movement that elevates the foot upwards towards the shin, decreasing the angle between the dorsum of the foot and the leg.

Circumduction

A circular movement of a limb or eye where the end follows a circular path.

Lateral Flexion

The movement of bending sideways at the waist or neck, reducing the angle between the side of the body or head and the arms or legs.