Author Question: The main difference between the experimental and ex post facto methods of research is the a. time ... (Read 80 times)

appyboo

  • Hero Member
  • *****
  • Posts: 527
The main difference between the experimental and ex post facto methods of research is the
 
  a. time span of study. c. manipulation of the independent variable.
  b. setting of the research. d. statistical design of the study.

Question 2

What is the role of theory in scientific research?
 
  What will be an ideal response?



Zack0mack0101@yahoo.com

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

C

Answer to Question 2

Theories summarize and organize the many facts resulting from research. Scientists are able to use theories to explain phenomena and make further predictions about relationships among variables relevant to the phenomena.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

For a complete list of videos, visit our video library