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Author Question: An environmental psychologist studies the effects of proximity to an elevated train line on school ... (Read 26 times)

Bernana

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on: Jun 19, 2018
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


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lin77x

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Reply #1 on: Jun 19, 2018
Answer to Question 1

C

Answer to Question 2

b


Bernana

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Reply 2 on: Jun 19, 2018
Thanks for the timely response, appreciate it

Mochi

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Reply 3 on: Yesterday
Gracias!

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