In 2009, approximately how many people lived in the United States illegally?

Welfare states tend to have which of the following combinations of state ownership and welfare benefits?

A) High levels of state ownership and high levels of welfare benefits B) High levels of state ownership but low levels of welfare benefits C) Low levels of state ownership and high levels of welfare benefits D) Low levels of state ownership and low levels of welfare benefits

The problem of bias in direct observation arises from which of these?

a.) the observation schedule b.) going native c.) fitting in d.) the observer