Summary and Reflection Graw-Hill Educatie Permissie
Directions: Summarize the main ideas of this lesson by answering the questions below.
Why is understanding demand important to understand how societies answer the basic WHAT, HOW, and
FOR WHOM questions? How do we study demand, and how does demand behave?

Why were the articles of confederation replaced with the constitution? a. the articles of confederation did not vice strong power to the federal government. b. the articles of confederation did not create a government structure for the states. c. the articles of confederation did not provide powers for strong individual state governments. d. the articles of confederation did not allow the federal government to deal with foreign countries.

Do you think there should be more than two parties in the us political system, or does the us system work well?

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.