Tommy lives in a Latin American country where all the leaders of the government are directly elected by the people for a specific length of time. The leaders are expected to represent the interests and wishes of citizens. What type of government would BEST describe the one where Tommy lives?

A.
communist dictatorship

B.
parliamentary democracy

C.
presidential democracy

D.
constitutional monarchy

Who gave the famous "i have a dream" speech at the march on washington?

Prince henry the navigator promoted the study of navigation and sponsored several voyages along africa's west coast. what country was henry the navigator from?

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.