Author Question: Which of the following would be considered ex post facto research? a. A group of adults who live ... (Read 34 times)

neverstopbelieb

  • Hero Member
  • *****
  • Posts: 534
Which of the following would be considered ex post facto research?
 
  a. A group of adults who live in close proximity to an airport is compared on their levels of stress to a matched group of adults from the same community who do not live near the airport, before andafter the expansion of the airport.
 b. The levels of stress among the residents of a suburban community are measured and correlated to the distance of their homes from a local airport.
 c. A sample of adults is recruited from the local community and assigned randomly to one of two conditions; half are asked to complete a series of self-report measures, including a measure ofstress, while listening to white noise on a set of headphones and the other half are asked tocomplete the same measures while listening to a recording of airplane noise from a nearby airport.
 d. Elementary school children and their parents are compared on a measure of stress given before and after the expansion of a nearby airport.

Question 2

A researcher is interested in the sleeping habits of students at the local state college. The average number of hours spent sleeping each night for the entire set of students enrolled at the college is an example of a ____.
 
  a. statistic
 b. parameter
 c. sample
 d. population



zacnyjessica

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

B

Answer to Question 2

b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

For a complete list of videos, visit our video library