Maturation is a threat to internal validity stemming from either long-term or short-term physiological changes occurring within the participants that may influence the dependent variable.
<h3>
What are physiological changes?</h3>
Ageing causes physiological changes in all organ systems. Arteriosclerosis develops, blood pressure rises, and cardiac output declines. Lung function is compromised, vital capacity is reduced, and expiratory flow rates are slowed.
Pregnancy causes a number of physiological changes in the mother, such as an increase in fat and total body water, a drop in plasma protein concentrations, particularly albumin, an increase in blood volume, cardiac output, and blood flow to the kidneys, and a decrease in blood pressure.
Learn more about physiological changes here:
brainly.com/question/14970685
#SPJ4
Answer:
Kyle will not collect any damages since he did not sustain any damages.
Explanation:
As Kyle did not have any negative health effects from the incident he suffered in the restaurant, there are low chances that he will perceive any money from suing the restaurant for negligence. There is no evidence to prove that the place committed an act of negligence.
An economic indicator is a type of statistic data about the economic activity of a country, it enables analysis about the current situation and performance of the economy. Moreover, it also allows predictions of future performance. One economic indicator used to tell how an economy is doing is the CPI, Consumer Price Index, it takes a sample of many goods and services over two hundred unit category. The information is gathered through phone calls and personal visits.