A teacher would like to know if the smell of orange reduces stress in her AP Psychology students. During her first period class, students take their exams in the room as normal. During her second period class, the teacher uses a diffuser and orange-scented essential oil while the students take their test. She then compares the test scores of the two classes.

Identify the following from this scenario:

Independent Variable:

Dependent variable:

Possibly Confounding Variable (s):

independent variable: the smell of the orange

dependent variable: stress

Possible confounding variables: events that could have effected that students on that day causing them to become stressed, the students being allergic to oranges, the time of day, etc.

Explanation:

could you go a bit more in depth with you question? it's quite hard to understand. as soon as you do that i will be glad to : )

a) they had recently endured the tyranny of the british king, parliament, and its royal