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

Author Question: The t test enables researchers to evaluate the probability that _____ was caused by the independent ... (Read 92 times)

MGLQZ

  • Hero Member
  • *****
  • Posts: 579
on: Jun 19, 2018
The t test enables researchers to evaluate the probability that _____ was caused by the independent variable.
 
  a. the differences between the groups before data collection
  b. the extreme score in the control group, if there was one,
  c. the difference between the group means
  d. all of these

Question 2

The t test is a comparison of the ratio of
 
  a. treatment variance to subject variance
  b. treatment mean to subject mean
  c. treatment frequency to subject frequency
  d. all of these


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jessicaduplan

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jun 19, 2018
Answer to Question 1

C
The t test evaluates the probability that the difference between the group means occurred by chance. Knowing that probability enables researchers to decide whether the independent variable was likely to have caused the difference.

Answer to Question 2

A
The conceptual ratio of the t test is the variance produced by the treatment (treatment variance) divided by the variance from all other sources (subject variance)


MGLQZ

  • Hero Member
  • *****
  • Posts: 579
Reply #2 on: Jun 19, 2018
Thank you!


jessicaduplan

  • Sr. Member
  • ****
  • Posts: 337
Reply #3 on: Jun 19, 2018
Happy to help


« previous next »
 

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

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?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Audiometry. The child in this photograph is undergoing a hearing test with an audiologist. Audiometry. The child in this photograph is undergoing a hearing test with an audiologist.
Urease Test Urease Test
William Masters and Virginia Johnson are among the most influential researchers in the history of th William Masters and Virginia Johnson are among the most influential researchers in the history of th
Spinal changes caused by osteoporosis. Spinal changes caused by osteoporosis.
This patient presented with a case of facial palsy caused by an infection by the bacterial ... This patient presented with a case of facial palsy caused by an infection by the bacterial ...
How to evaluate angles using cosecant, special triangles, and the unit circle (Part 3) How to evaluate angles using cosecant, special triangles, and the unit circle (Part 3)
Video: Primary Active Transport - electrochemical gradient and ion transport / water movement

For a complete list of videos, visit our video library