This topic contains a solution. Click here to go to the answer

Author Question: A researcher who wants to know whether drinking caffeine causes increased energy would be most ... (Read 28 times)

Caiter2013

  • Hero Member
  • *****
  • Posts: 607
A researcher who wants to know whether drinking caffeine causes increased energy would be most likely to conduct what type of study?
 
  a. An archival study
  b. An experimental study
  c. A correlational study
  d. An observational study

Question 2

Experimental research involves which of the following?
 
  a. Demonstrating correlations between variables
  b. Random assignment of participants to experimental conditions
  c. Manipulation of the independent variable
  d. Both random assignment of participants to experimental conditions and manipulation of the independent variable



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Danny Ewald

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

Answer: b

Answer to Question 2

Answer: d




Caiter2013

  • Member
  • Posts: 607
Reply 2 on: Jun 22, 2018
:D TYSM


jamesnevil303

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

For a complete list of videos, visit our video library