Answer:
dependent: exam score, independent: presence of music,
confounding can be the fact that students in no music condition completed exam as they normally would
high validity
Explanation:
Dependent variable is the variable whose value depends on independent varaible. As independent variable is changed, the value of dependent variable changes
Students in no music condition completed exam as they normally would can be confounding as no description is given about how they would noramlly complete an exam. Any other factor and not no music condition, in normal exam condition could have affected their scores.
The experiment has high validity as the exam scores of student exposed to music was significantly higher than those not exposed to the music. The results also proved the hypothesis.
Sorry, but this question is incomplete.
Answer:
B. Articles
Explanation:
The articles is the part of the constitution that outlines the structure and the powers of the government.
The seven articles gives a description of the set up of the government.
The first article gives the power of the legislature
The second article tells the power of the executive arm.
The third outlines the power of the judiciary
The fourth article tells relationship between states and federal government
The fifth article describes how changes can be made to constitution
The sixth article talks of the constitution as supreme law of the land
The seventh article talks of ratification
The 13th Amendment ended slavery following the Emancipation Proclamation.
“Ending slavery and involuntary servitude, except as punishment for a crime. In Congress, it was passed by the Senate on April 8, 1864, and by the House on January 31, 1865.”