Referencing, Marsiglia, F. F., Wu, S., Ayers, S., & Weide, A. (2019). Randomized effectiveness trial of a parent and youth combined intervention on the substance use norms of Latino middle school students. Journal of substance abuse treatment, 97, 75-83. https://doi.org/10.1016/j.jsat.2018.11.012.

1. Report the mean (measure of central tendency) for these two variables at each of the 4 time points (See table 2) in the Raw Data 2.Report the standard deviation (measure of dispersion) for these two variables at each of the 4 time points (See table in the Raw Data.

3. Paraphrase the results for Descriptive Anti-Drug Norms for participants in the PO (Parent Only) and PY (Parent/Youth) groups compared to the C (Control) group. What were the results at Time 2 compared to Time 4? Please report the p-value at Time 2 and Time 4. Which results were statistically significant?

• Note: the p value is set at < .05
• Paraphrase the results for Peer Anti-Drug Norms for pre-adolescents in the PY group compared to the C group at Time 2 and Time 4. Please report the p-value at Time 2 and Time 4. Which results were statistically significant?
  • Note: the p value is set at < .05