Design an Experiment Paper
For each of the following, identify the independent and dependent variables, 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 pedal 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 of either 20, 30, or 40 hours of sleep over a week's 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:
