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

Author Question: If groups are the same on the dependent variable at the start of the study, A) they are said to ... (Read 38 times)

K@

  • Hero Member
  • *****
  • Posts: 608
If groups are the same on the dependent variable at the start of the study,
 
  A) they are said to be equivalent.
  B) the same type of conclusions can be drawn as if they were randomly assigned.
  C) they may still differ on variables that could be potentially confounding.
  D) Both A and B

Question 2

Why is it best when testing a causal hypothesis to compare groups that are randomly assigned?
 
  A) It is more likely that the groups are equivalent at the beginning of the study.
  B) Random assignment assures that the participants are unaware of what is being studied.
  C) Random assignment assures that the experimenter is blind to the condition of the participant.
  D) All of the above



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jrpg123456

  • Sr. Member
  • ****
  • Posts: 317
Answer to Question 1

Answer: C

Answer to Question 2

Answer: A




K@

  • Member
  • Posts: 608
Reply 2 on: Aug 4, 2018
Great answer, keep it coming :)


dantucker

  • Member
  • Posts: 346
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

For a complete list of videos, visit our video library