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?
The major function of the large intestine is to absorb water from the remaining indigestible food matter and transmit the useless waste material from the body.
Ataxia with vitamin E deficiency (AVED) is a rare inherited neurodegenerative disorder characterized by impaired ability to coordinate voluntary movements (ataxia) and disease of the peripheral nervous system (peripheral neuropathy).
