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 104 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?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Several common functional groups in a single biomolecule Several common functional groups in a single biomolecule
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
Association of Different HLA Alleles and Increased Susceptibility to Autoimmune Diseases Association of Different HLA Alleles and Increased Susceptibility to Autoimmune Diseases
Blood Groups and Blood Types Blood Groups and Blood Types
The Major Plant Groups The Major Plant Groups
Distributions and variance Distributions and variance
Video: Introduction to Dysrhythmia

For a complete list of videos, visit our video library