Unit 3

Which activity is a component of the scientific method?

• observing

• discussing

• presenting

• publishing

Which phrase BEST describes an anecdote?

• a general theory about phenomena

• an observation with a sample size of one

• a traditional investigational method

• a conclusion based on evidence

Which phrase BEST describes the FIRST step of the scientific method?

• to test scientific hypotheses

• to arrive at well-considered conclusions

• to explain phenomena

• to engage in careful observation

A scientist has formed a hypothesis about a phenomenon they are studying. If they follow the steps of the scientific method, which step will they take NEXT?

• investigating

• retesting

• concluding

• observing

A scientist has made a conclusion about a phenomenon but isn’t finished with their investigation. If they follow the steps of the scientific method, which step will they take NEXT?

• investigating

• retesting

• concluding

• observing

A scientist has carefully studied a phenomenon under laboratory conditions. If they follow the steps of the scientific method, which step will they take NEXT?

• investigating

• retesting

• concluding

• observing

A medical investigator developed a proposed explanation of why all of the patients in a study responded to an experimental drug in a particular way. Which is this an example of?

• hypothesis

• scientific law

• theory

• anecdote

A medical investigator is asked to evaluate a colleague’s experimental design. They conclude that the design is flawed because it runs contrary to what the investigator knows to be unmovable “rules” of the universe. Which concept does the investigator take an exception to?

• hypothesis

• scientific law

• theory

• anecdote

A _____ is to a theory as a theory is to _____.

• 
  

  method; critical thinking

• phenomenon; an anecdote

• hypothesis; scientific law

• test; a model

A medical investigator observes a natural phenomenon occurring in the lab but isn’t able to reproduce the effect for other investigators. This is BEST described as a(n):

• 
  

  hypothesis.

• scientific law

• theory

• anecdote