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Author Question: Which one of the following is a good example of the concept of co-variance in correlational research? (Read 34 times) |
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
The human body produces and destroys 15 million blood cells every second.
There are more bacteria in your mouth than there are people in the world.
Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.