Determine which of the following observations aretestable. For those that are testable:
• Determine if the observation is qualitative orquantitative.
• Write a hypothesis and a null hypothesis.
• What would be your experimental approach?
• What are the dependent and independent variables?
• What are your controls - both positive and negative?
• How will you collect your data?
• How will you present your data (e.g., chart, graph)?
• How will you analyze your data?
OBSERVATIONS
1. A plant grows three inches faster per day when placedon a windowsill than it does when placed on a on a coffee table inthe middle of the living room.
2. The teller at the bank with brown hair and brown eyesis taller than the other tellers.
3. When Sally eats healthy foods and exercisesregularly, her blood pressure is 10 points lower than when she doesnot exercise and eats fatty foods.
4. The Italian restaurant across the street closes at 9pm but the one two blocks away closes at 10 pm.
5. For the past two days, the clouds have come out at 3pm and it has started raining at 3:15 pm.
6. George did not sleep at all the night following thestart of daylight savings.
