This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: If an extraneous variable affects all groups equally: a. within-groups variance is increased. b. ... (Read 108 times)

dmcintosh

  • Hero Member
  • *****
  • Posts: 517
on: Jun 20, 2018
If an extraneous variable affects all groups equally:
 
  a. within-groups variance is increased.
  b. it is more difficult to reject the null hypothesis.
  c. there is increased probability of a Type II error.
  d. all of these

Question 2

If individuals in different groups are not treated identically except for the independent variable, then:
 
  a. within-groups variance is increased.
  b. the F ratio is decreased.
  c. a possible confound is introduced.
  d. between-groups variance is decreased.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

TheNamesImani

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

C


dmcintosh

  • Hero Member
  • *****
  • Posts: 517
Reply #2 on: Jun 20, 2018
Thank you


TheNamesImani

  • Sr. Member
  • ****
  • Posts: 334
Reply #3 on: Jun 20, 2018
No problem :)


« previous next »
 

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Biochem funtional groups Biochem funtional groups
Major features of Homo erectus include increased brain size, an angular vault, and cranial superstru Major features of Homo erectus include increased brain size, an angular vault, and cranial superstru
The approval of a new drug is a four-stage process: (1) preclinical investigation, (2) clinical inve The approval of a new drug is a four-stage process: (1) preclinical investigation, (2) clinical inve
The Distribution of Dominant and Minority Groups The Distribution of Dominant and Minority Groups
Different Rickettsial Groups, Diseases, and Geographical Locations Different Rickettsial Groups, Diseases, and Geographical Locations
Energy Use by Different Country Groups Energy Use by Different Country Groups
Video: Male Reproductive System - The gonadotropin releasing hormone

For a complete list of videos, visit our video library