Question

Professor Smith is investigating whether individuals are more likely to buy food items if they are told those items are on sale. The researcher works with two grocery stores and makes sure all items are the same price in both stores. In one store the items are listed as on sale and in the other store they are listed as the actual price. The researcher records how many of the different items are sold throughout the week.

The independent variable is (4 pts)________________________________.

The dependent variable is (4 pts)__________________________________.

Name one variable that Professor Smith failed to control but, in your opinion, should have (2 pts)________________________________________________.

Answer 1

As number of items sold depend on wthether items were on sale or not.

a)

Independent variable : Items listed(Sale or Not Sale)

b)

Dependent variable : Number of items sold

c)

Number of Individuals/Customer:

Above variable in my opininion need to be control because if number of individual in one grocery store is higher than other grocery store than number of items sold will not reflect the correct picture

Please revert in case of any doubt.

Please upvote. Thanks in advance