Experimental Design

Question 1

Find the DV: If you smoke many cigarettes, then you will increase your risk for lung cancer.

Accepted Answer

amount of lung cancer risk

Question 2

Find the IV: If you increase the amount of milk you drink, then you will grow stronger bones.

Accepted Answer

amount of milk

Question 3

What is a dependent variable?

Accepted Answer

variable that changes because of the independent variable; what is measured

Question 4

Find the IV: If you practice 20 hrs/wk, then you increase your free throw percentage.

Accepted Answer

how long you practice

Question 5

Find the DV: If you practice 20 hrs/wk, then you increase your free throw percentage.

Accepted Answer

how many free throws you make, how many free throws you miss

Question 6

What is the dependent variable?

Accepted Answer

behavior of kids

Question 7

What are the constants?

Accepted Answer

type of candy, the kids

Question 8

Find the IV: If you increase the amount of blood in the water, then you will see more sharks.

Accepted Answer

amount of blood

Question 9

Find the DV: If you increase the amount of blood in the water, then you will see more sharks.

Accepted Answer

number of sharks

Question 10

Identify a constant: If you practice 20 hrs/wk, then you increase your free throw percentage.

Accepted Answer

Thrower

Question 11

Write a hypothesis: What will happen to my plant if I leave it in the closet with no light?

Accepted Answer

If I leave my plant without sunlight, then it will not grow.

Question 12

Write a hypothesis: If I eat more candy, will my test scores increase?

Accepted Answer

If I eat more candy, then my test scores will increase.

Question 13

Write a Hypothesis: I wonder if the number of books I read will help me get smarter?

Accepted Answer

If I read 0 books, then I will not become smarter., If I read 5 books, then I will become 50% smarter.

Question 14

Find the DV: If you increase the amount of milk you drink, then you will grow stronger bones.

Accepted Answer

strength of bones

Question 15

What is the hypothesis?

Accepted Answer

If kids are given candy, then they will behave better.

Question 16

What is an independent variable?

Accepted Answer

variable that is changed by the scientist in an experiment

Question 17

What is a hypothesis?

Accepted Answer

reasonable guess that can be tested; based on what is known

Question 18

What is the independent variable?

Accepted Answer

Amount of candy

Question 19

What would be the control group?

Accepted Answer

Kids without candy

Question 20

Find the IV: If you smoke many cigarettes, then you will increase your risk for lung cancer.

Accepted Answer

the number of smoked cigarettes

Questions 20