Lec 1-3 Flashcards
what does a reliable source need?
mechanism: scientific explanation on how it works, explains specific way it affects body
source: peer reviewed sources
evidence: quantification of the results, backs up claims with data
Why is the following source untrustworthy? (select all)
Heal all your digestive problems with a natural and ancient remedy. As seen on Dr. Oz, acupuncture is known by doctors
worldwide to aid in digestion and absorption and prevent the requirement of pharmaceuticals
A) lacks mechanism
B) lacks source
C) lacks evidence
A, B, C
A peer reviewed source states the following:
Fiber is an indigestible carbohydrate (not broken down into individual glucose units) it does not interact with Glucose Transporter (GLUT) proteins and so is not transported into the blood. Therefore, it does not increase blood glucose levels.
What is this an example of?
A) Mechanism
B) source
C) Evidence
A
It provides a scientific explanation. It explains what is actually happening on a cellular level
What source would be the most accurate?
When trying to find information on if a pesticide is toxic, you should look at…
A.) U.S Environmental Protection Agency
B.) The company’s website
C.) A gardening blog
A
A is a peer reviewed, trusted, known reliable source. The blog is a secondary source that may manipulate the information. The company’s website may not be entirely honest as a way to sell more products.
What are the strengths of science?
Scientists use each others work: building knowledge off of previous studies, also correcting others work
Testing falsifiable hypothesis: working to prove yourself wrong or not
Scientists remain objective: no bias involved in research
Conclusions change based on new evidence: conclusions change as new studies are done and replicated
Which strenghth of science does this use?
In a study, neither the participants nor researchers knew who was assigned to what group.
A.) Testing falsifiable hypotheses
B.) Scientists remain objective
C.) Scientists use each others work
D.) Conclusions change based on new evidence
B
The purpose of a double blind to prevent bias and give clearer results
Main difference between hypothesis and predictions?
Predictions are more specific
A hypothesis is a statement of what you are trying to prove. A prediction includes specifics such as dose, length, and effect
