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

Author Question: What is the primary goal for randomly assigning participants to treatment conditions in an ... (Read 155 times)

soccerdreamer_17

  • Hero Member
  • *****
  • Posts: 552
What is the primary goal for randomly assigning participants to treatment conditions in an experiment?
 
  a. Increase the ability to generalize the results.
 b. Avoid selection bias.
 c. Ensure that the individuals in the sample are representative of the individuals in the population.
  d. Minimize the likelihood that a participant characteristic becomes a confounding variable.

Question 2

Assume that the scores on a test of anxiety are normally distributed. Assume that the mean score is 6 and the standard error is 0.25 . About 68 of the scores will fall in the range ____.
 
  a. 5.75 to 6.25
  b. 5.5 to 6.5
 c. 5.25 to 6.75
  d. 5.0 to 7.0



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

smrtceo

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

d

Answer to Question 2

a




soccerdreamer_17

  • Member
  • Posts: 552
Reply 2 on: Jun 19, 2018
:D TYSM


jomama

  • Member
  • Posts: 346
Reply 3 on: Yesterday
Excellent

 

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

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?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

For a complete list of videos, visit our video library