The TSI Assessment is an untimed test. TREC recommends allowing two hours for writing, and at least one hour each for reading and math. Thus, if your are taking all three sections, we advise you to arrive no later than 12:30 pm for approximately four hours of testing.
Studies found that between 16% and 39% of people with BPD also have NPD (bpd.about.com/od/relatedconditions/a/Narcissistic-Personality-Disorder.htm). As mentioned above, NIH experts estimate that nearly 10 percent of the US adult population has BPD and/or NPD (approx. 23 million Americans). Statistics in other countries are likely to be similar.
There's an obvious argument that it is: African Americans are just 13% of the US population, and yet 26% of the people killed by the police. But there's another way to look at these numbers. Nearly 50% of convicted murderers in the US are African Americans. Why that number is so high is a difficult question to answer.