Matching of One Subject with Another and the Use of Random

question 8

Multiple Choice

Matching of one subject with another and the use of random selection of subjects are examples of:

• A) causality.
• B) control.
• C) manipulation.
• D) nonprobability sampling.

---

Definitions:

Joint Cavity

The space between the articulating surfaces of bones in a synovial joint, filled with synovial fluid that lubricates the joint.

Fibrous Joint

Bones connected by fibrous tissue with no joint cavity; includes sutures, syndesmoses, and gomphoses.

Synovial

Relating to or containing synovia (a substance that serves as a lubricant in a joint, tendon sheath, or bursa).

Cartilaginous

Describing a type of tissue that is not as hard as bone but provides flexibility and support; it is found in areas like the ears, nose, and joints.