Testable Question
Which one is a testable question?
A. What is your name?
B. Where do plants grow better, sunlight or darkness?
C. What is your favorite color in the rainbow?
B.
Scientist often try to make medications more effective. One thing that they can do to make a medication more effective is....
A. to reduce negative side effects
B. increase negative side effects
C. use smaller sample size.
A.
The dog brings his toy everywhere, so I think it is his favorite one. Is this an OBSERVATION or an INFERENCE?
INFERENCE
Janet is doing an experiment. She wants to know if a plant grows better in the sunlight or in a dark areas. She puts one in a closed closet and one near the window. She leaves them in this area for 1 week and waters them once a day. She records her data on a chart.Which one of these results are QUANTITATIVE DATA?
A. The plant in sunlight is green.
B. The plant in the sunlight is two inches taller than the one in the closet.
C. The plant in the closet is a shade of brown.
B.
True or false. Doctor Goldberger's research helped conclude that pellagra was cause by bacteria.
False
A testable question only has one ___ variable.
Independent
For background research it is important to look at the both successful and ____ trials related to the experimental medicines.
Failed
The strawberry is red. Is this an OBSERVATION or an INFERENCE?
observation
Jason was studying worms and came to three conclusions. Which one of these conclusion is QUALITATIVE DATA?
A. Worms are generally about three inches long.
B. Worms have zero legs.
C. They are a pinkish brownish color
C.
At what point in your experiment do you draw a conclusion?
The conclusion is the last thing you do in an experiment.
True or false. The variable being measured in the testable question is the Independent variable.
False
All clinical trial volunteers must sign an ___ ___ which includes possible side effects of medication, that they might either receive the medication or the placbo, and the warnings of participating in the clinical trial
informed consent
One thing scientist observe during a clinical trial is if the volunteers are developing any ___ ____ from the medication.
side effects
Good data should be_____?
reproducible
What is your conclusion based off of?
The results from your experiment.
Chose one
A successful clinical trial must have volunteers with (similar or different) characteristics?
similar
Doctor _____ had to use background information when trying to solve what was causing pellagra.
Hint: chapter two of workbook
Goldberger
Choose the correct statement.
A. Observations help to reach inferences.
B. Inferences help to reach observations.
A
Data is more reliable when there is a ___ sample size.
(Fill in the blank)
larger
True or false. Although a medication might be an effective cure, if the side effects are too severe, the med. is still a failure.
True
What is a testable question?
A question that can be answered by conducting an experiment.
What is background research?
research that has already been done on the experiment/ topic.
What is the difference between an inference and an observation?
An observation is when one examines something closely. An inference is a conclusion or a explanation of something.
During a clinical trial, results of the two groups are compared to show the effectiveness of a new medication. What are the names of these two groups called?
control group and experimental group
To draw an accurate conclusion you must have more than one ____ ____to make sure your data is accurate.
clinical trial