Use the Following to Answer Questions

Multiple Choice

Use the following to answer questions
This figure depicts the results of a study by Ahluwalia et al.(2006) investigating the effects of two types of gum (placebo or nicotine) and two types of counseling (educational or motivational) in helping people to stop smoking.
Figure: Smoking Cessation
-(Figure: Smoking Cessation) What is the difference between the data depicted in Figure A and the data in Figure B?

A) Figure A does not graph the same independent variables as Figure B.
B) Figure A does not graph the same dependent variable as Figure B.
C) The bars in Figure A are more accurate than those in Figure B.
D) The y-axis in Figure A has been shortened, which exaggerates the differences between the groups.