Dr. Johnson wants to investigate whether the physiological measure, heart rate variability, varies over time or whether it is a
trait that stays stable within the same person over time. He records participants’ heart rate variability once at the beginning of the semester and once at the end of the semester. He finds a high positive correlation (r = .65) between the first and second time points. Which type of reliability is he examining?
Clove cigarettes have higher concentrations of nicotine, tar, and carbon monoxide than conventional cigarettes sold in the United States according to the CDC.
If a edible object enters your body, the stomach breaks down the food with enzymes. While the food is going down your digestion system, your intestents makes that edible object smaller
