Question 2 • Academy - Algebra, Functions, and Data Analysis
A teacher wants to know if burning a scented candle affects students’ performance on pop quizzes. In the experiment, there will be a treatment group and a control group each taking their quizzes in a room that either does or does not have a scented candle burning.
Answer
A
to ensure that both groups have a nice mix of students
B
to ensure that the two groups have the same number of students
C
to ensure that both groups are roughly equivalent regarding students’ preparedness, anxiety levels, and study skills
D
to ensure that the rooms for both groups are approximately the same regarding time of day, temperature, sound control, and lighting