1. How many independent variables can you have in an experiment?
a. 2
c. As many as you want
b. 1
d. 3
2. How many dependent variables can you have in an experiment?
a. 2
C. As many as you want
b. 1
d. 3
3. A farmer applies different fertilizer to is cotton crops, to see which will make his plants grown the highest.
What is the Independent Variable?
a. Height of plants
c. Type of fertilizer
b. Different cotton crops
d. Growth of plants
4. A farmer applies different fertilizer to is cotton crops, to see which will make his plants grown the highest.
What is the Independent Variable?
a. Height of plants
C. Type of fertilizer
b. Different cotton crops
d. Growth of plants
5. I use different types of weed killers on my iawn to see which one kills the most weeds. What is the
Dependent Variable?
Most weeds
c. Types of weeds
b. Types of weed killers
d. Amount of weeds killed
a.
6. Sometimes conducted in laboratory settings and/or artificial settings
a. Qualitative
c. Both A and B
b. Quantitative
d. None of the Above
7. In a study about headaches, doctors gave patients Alieve, Tylenol, Advil, and Excedrin, to see which
medication would relieve the headache pain the fastest. The doctors timed how it long it took the medication it work.
What is the independent variable?
a. Amount of time until pain was relieved
c. Headaches
b. Amount of medication
d. Types of pain reliever
8. Which of the following BEST defines quantitative research?
a. It is an exploration associated with libraries, books and journals
b. It is an activity concerned with finding new truth in education
c. It is a systematic process obtaining numerical information about the world
d. It is an activity of producing or proving a theorem​