« previous next »

Author Question: The main difference between the experimental and ex post facto methods of research is the a. time ... (Read 84 times)

appyboo

  • Hero Member
  • *****
  • Posts: 527
on: Jun 20, 2018
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
Reply #1 on: Jun 20, 2018
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
« previous next »
 

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Tracking time of marker entry generates a chromosome map Tracking time of marker entry generates a chromosome map
Positron emission tomography (PET) image showing the difference in the metabolic activity of the bra Positron emission tomography (PET) image showing the difference in the metabolic activity of the bra
Methods of Contraception Methods of Contraception
A new drug development time line with the four phases of drug approval. A new drug development time line with the four phases of drug approval.
Accumulation of toxicants over time and up the food chain Accumulation of toxicants over time and up the food chain
Birth Control Methods and Abortion Birth Control Methods and Abortion
Video: Hyperglycemia Animation

For a complete list of videos, visit our video library