Which of these was the most noticeable symbol of the "iron curtain"?
a) great wall
b) berlin wall
c) 38th parallel
d) 17th parallel

What was included in most state constitutions that guaranteed protection of individual liberties based upon common law?

The homestead act made it possible for millions of people to achieve the dream of acquiring immense wealth. owning a farm. living in a brick house. moving to a big city.

Dr. laguardia is a cognitive neuroscientist who is interested in the effect of brain concussions on the ability to recognize faces. he conducts a quasi-experimental study in which he examines football players before and after the regular season using the benton facial recognition test (a published, widely used measure of one's ability to recognize faces) to compare those who received concussions to those who did not. he finds that players who had concussions during the regular season performed worse on the benton facial recognition test than did players who did not experience which of the following is true regarding external validity in dr.laguardia's study? a. because dr. laguardia selected participants who actually experienced concussions, the study b. because dr. laguardia's study is a quasi-experiment, it is impossible to obtain c. because dr. laguardia's dependent variable was assessed in the laboratory, the study d. because dr. laguardia selected a widely used measure, his study generalizes to has strong external validity. external validity has limited external validity. other applications of this measure.