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.
Answer:Cognitive Dissonance
Explanation: Cognitive Dissonance is the behavior that is shown by the person when he/she tries to fit their particular thoughts to makes the balance in the condition. the reduction in the dissonance is done by the his behavior, belief, attitude or thoughts change. So, Gary is also trying to fit in the situation according to his thought according to his mother behaviors.
A driver should sit at least 10 inches away from the airbag in order for the airbag to provide the greatest amount of safety to the driver.