1. Marion Hughes Sociology 391 Spring 2011

2. Q. 110: How many days out of the past 30 have you used marijuana?  0  1-5  6-10  11-15  16-20  21+ Recoded into 3 ordinal categories:  0  1-5  6 +

3. Q14. Please indicate the range that best categorizes your current cumulative grade point average. Don’t have one 2.50 or less 2.51 – 2.67 2.68 – 3.50 3.51 or higher Recoded into three ordinal categories: 2.67 or less 2.68 – 3.50 3.51 or higher

4.  Students who use marijuana will have lower GPAs than students who do not.  The frequency of marijuana use is negatively related to cumulative grade point average.

5. X 2 = 2.177, df = 4, p <.703

6.  No statistically significant relationship between marijuana use and GPA  My hypothesis is not supported

7. Q. 204. What is your sex?  female  male Hypothesis: Controlling for sex, the frequency of marijuana use is negatively related to cumulative grade point average.

8. X 2 = 10.910, df =4, p <.028 Cramer’s V =.235

9.  Moderately strong, statistically significant relationship between marijuana use and GPA  However, my hypothesis is not supported  The occasional users (1-5 times a month) have the lowest GPAs  17.3% more of the women who used 6+ times last month have GPAs above 3.5 than women who never used

10. X 2 = 3.023, df = 4, p <.554

11.  No statistically significant relationship  Hypothesis not supported

12.  Hypothesis not supported by the data  Specification: significant relationship only exists for women, although not in the predicted direction

13.  Shortcomings: time order of variables  Further research  Legalization of marijuana