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

Author Question: History, maturation, and regression to the mean can be controlled by including proper A) control ... (Read 18 times)

ahriuashd

  • Hero Member
  • *****
  • Posts: 535
History, maturation, and regression to the mean can be controlled by including proper
 
  A) control groups
  B) experimental groups.
  C) factorials.
  D) instrumentation.

Question 2

The major difference between the control groups of the pretest-posttest, natural control group design and the randomized, posttest-only, control-group design is that
 
  A) in the latter, participants are randomly assigned to groups.
  B) in the former, the people in the control group are aware of the research hypothesis.
  C) in the latter, participants are only assigned randomly to the experimental group, but not the control group.
  D) there is no real difference between the two designs.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nikmaaacs

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

Answer: A

Answer to Question 2

Answer: A




ahriuashd

  • Member
  • Posts: 535
Reply 2 on: Aug 4, 2018
Thanks for the timely response, appreciate it


dreamfighter72

  • Member
  • Posts: 355
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

For a complete list of videos, visit our video library