This topic contains a solution. Click here to go to the answer

Author Question: An environmental psychologist studies the effects of proximity to an elevated train line on school ... (Read 61 times)

Bernana

  • Hero Member
  • *****
  • Posts: 530
An environmental psychologist studies the effects of proximity to an elevated train line on school performance in children by comparing a group of children who live within one city block of an elevated train line to a matched sample of children from the same school who live at least ten blocks away from the train line on a standardized test of reading comprehension. This is an example of
 
  a. a within-subjects design.
  b. a correlational study.
  c. a quasi-experiment.
  d. an observational study.

Question 2

A researcher records the change in weight (gain or loss) during the first semester of college for each individual in a group of 25 freshmen, and calculates the average change in weight. The average is an example of a ____.
 
  a. parameter
  b. statistic
 c. variable
 d. constant



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lin77x

  • Sr. Member
  • ****
  • Posts: 326
Answer to Question 1

C

Answer to Question 2

b




Bernana

  • Member
  • Posts: 530
Reply 2 on: Jun 19, 2018
Wow, this really help


JCABRERA33

  • Member
  • Posts: 344
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

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?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

For a complete list of videos, visit our video library