170,763 views
29 votes
29 votes
Hi! I need help on this because im kinda confused and im gonna fail if i dont get this done

Design an Experiment Paper
For each of the following, identify the independent & dependent variable, and write a hypothesis.
1. Time spent studying-Test grade
Independent Variable:
Dependent Variable:
Hypothesis:
2. Life expectancy -Vitamin C intake
Independent Variable:
Dependent Variable:
Hypothesis:
3. Haunted houses visited - Number of ghosts seen
Independent Variable:
Dependent Variable:
Hypothesis:
4. Plant growth -Amount of fertilizer
Independent Variable:
Dependent Variable:
Hypothesis:
5. Hours of writing-number of hand cramps
Independent Variable:
Dependent Variable:
Hypothesis:
6. Timing how fast it takes a car to accelerate with the gas petal pushed all the way down.
Independent Variable:
Dependent Variable:
Hypothesis:
7. Determining future job earnings using grades earned in school as a metric
Independent Variable:
Dependent Variable:
Hypothesis:
8. Determining the ideal number of clerks working in a store to maximize customer happiness.
Independent Variable:
Dependent Variable:
Hypothesis:
9. An entomologist (bug scientist) wants to determine if temperature affects how many times crickets chirp.
Independent Variable:
Dependent Variable:
Hypothesis:
10. A researcher conducted a study to test the effects of sleep deprivation on physical coordination. He
selected 20 to 25 year-old male college students and deprived some of the subjects to either 20, 30, or 40
hours of sleep over a weeks’ time.
Independent Variable:
Dependent Variable:
Hypothesis:
11. 60 subjects watch a videotaped re-enactment of a robbery that happened last week at a local bank, Half of
the subjects were questioned by a police investigator to recall details of the event, while the other half
were hypnotized and then questioned.
Independent Variable:
Dependent Variable:
Hypothesis:
12. An automobile manufacturer tried to determine how bright brake lights should be to get a car driving
behind them to stop the fastest.
Independent Variable:
Dependent Variable:
Hypothesis:
13. The difference in graduation rates of high-school seniors who participate in a certain program as opposed
to high-school seniors who do not participate in the program.
Independent Variable:
Dependent Variable:
Hypothesis:
14. You want to test a new drug that supposedly prevents sneezing in people allergic to grass.
Independent Variable:
Dependent Variable:
Hypothesis:
15. A soap manufacturer wants to prove that their detergent works better to remove tough stains.
Independent Variable:
Dependent Variable:
Hypothesis:
16. Measuring the growth rate of plants under full sunlight for 8 hours a day versus plants that only have 4
hours of full sunlight per day
Independent Variable:
Dependent Variable:
Hypothesis:
17. How much water flows through a faucet at different openings?
Independent Variable:
Dependent Variable:
Hypothesis:
18. Does heating a cup of water allow it to dissolve more sugar?
Independent Variable:
Dependent Variable:
Hypothesis:
19. How can you tell time using a candle?
Independent Variable:
Dependent Variable:
Hypothesis:
20. Do bicycle fenders keep the rider dry when riding through a puddle?
Independent Variable:
Dependent Variable:
Hypothesis:

User Garrett Berneche
by
2.7k points

1 Answer

4 votes
4 votes
I’m too lazy to answer all of these but this will help;
independent variable: the variable you are testing to see if it changes
dependent variable: the variable that reacts to the changing independent variable.
i hope this helps and have a good night
User Phanindravarma
by
3.1k points