The researchers concluded that there is an effect of a) food ...

[soccerdreamer_17]

The researchers concluded that there is an effect of
 
  a) food deprivation on maze running.
  b) maze running on amount of ginger root.
   c) amount of ginger root on maze learning.
  d) amount of ginger root on food deprivation.

Question 2

In an attempt to reduce the use of gasoline, a city imposed a 2.50 per gallon tax on gasoline in 2005 .
 
  A researcher working for the city, located data on annual gallons used for the 5 years leading up to the gas tax (to provide a baseline) and located data for the 5 years after the start of the gasoline tax (to show the consumption pattern after the tax). Which of the following best describes this study design?
 
 a. A-B-A-B design
  b. Changing-criterion design
   c. Interrupted time-series design
  d. Regression-discontinuity design

[akudia]

Answer to Question 1

C

Answer to Question 2

C