Author Question: The main difference between the experimental and ex post facto methods of research is the a. time ... (Read 85 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?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

For a complete list of videos, visit our video library