Is there a correlation between addict vs. user of any mood-altering substance and the likelihood and/or intensity of AD(H)D?

There are a lot of highly educated, but unemployed or underemployed people since the recession. I wonder how this has affected the Black middle class. For example, are they are struggling equally as much compared to their White peers, or are Black graduates in any way worse off than White or other graduates?

To what extent have Northwest European immigrants to the U.S. experienced socioeconomic mobility among the subsequent generations of their families compared to non-emigrating Northwest Europeans? Are there any trends of upward- or downward mobility?

Is there evidence that cannabis (medical marijuana) augments cognitive functioning?

Handwriting instruction: (a) What is the goal? (b) Compare standardized handwriting styles vs. individualistic handwriting on motivation to practice handwriting, exploring factors such as indicators of social status across multiple contexts including gender and SES. (c) What are sociocognitive effects of various methods of handwriting instruction? (d) Explore cross-cultural differences within the U.S. and between other handwriting systems such as Chinese characters. (e) Substantially improve this article: http://en.wikipedia.org/wiki/Handwriting.

What purpose(s) would violent initiations serve? (e.g., is there a continuum from arduous to abusive; is there any effect on parenting?)

Are there any differences in characteristics between individuals who prefer their own traditional foods and those who prefer sampling the traditional foods of other cultures? (e.g., Would varying along a continuum of "xenophobic" to "xenophilic" correlate with food preferences?)