Experimental Design

Question 1

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

Accepted Answer

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

Question 2

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

Accepted Answer

strength of bones

Question 3

Write a hypothesis: If I watch movies with lots of swear words, will I start swearing more?

Accepted Answer

If I watch movies with 0 swear words, then I will not swear., If I watch movies with 25 swear words, then I won't swear., If I see movies with 30 swear words, then I will swear alot.

Question 4

What are the constants?

Accepted Answer

the same person running, using the same person and time to check the heart rate, check the heart rate for the same amount of time, checking the heart rate in the same place (on the runner)

Question 5

What is the dependent variable?

Accepted Answer

amount of time your heart beats in 1 minute

Question 6

Recap: What is a dependent variable?

Accepted Answer

variable that changes because of the independent variable

Question 7

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 8

Recap: What is a hypothesis?

Accepted Answer

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

Question 9

What would be the control group?

Accepted Answer

the heart rate of the person without running

Question 10

What many trials will be completed during this experiment?

Accepted Answer

6 trials

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

What is the independent variable?

Accepted Answer

how long you run

Question 13

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

Accepted Answer

gallons of milk

Question 14

What is the hypothesis?

Accepted Answer

If I run for 10 minutes, then my heart rate will increase.

Question 15

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 16

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

Accepted Answer

how long you practice

Question 17

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

Accepted Answer

pints of blood

Question 18

Recap: What is an independent variable?

Accepted Answer

variable that is changed in an experiment

Question 19

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

Accepted Answer

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

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

Experimental Design

Questions 20

Experimental Design

Questions 20