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

Author Question: If, in a correlational study, a researcher calculates the correlation coefficient to be r = +.5, ... (Read 145 times)

waynest

  • Hero Member
  • *****
  • Posts: 553
on: Jun 20, 2018
If, in a correlational study, a researcher calculates the correlation coefficient to be r = +.5, what would the coefficient of determination indicate?
 
  a. The results suggest that 50 of the total variance is being shared by the two variables.
  b. The results suggest that 25 of the total variance is being shared by the two variables.
  c. The results suggest that 5 of the total variance is being shared by the two variables.
  d. The results suggest that .25 of the total variance is being shared by the two variables.

Question 2

Variability resulting from individual differences among research subjects is referred to as
 
  a. systematic variance.
  b. error variance.
  c. analysis of variance.
  d. none 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

javimendoza7

  • Sr. Member
  • ****
  • Posts: 293
Reply #1 on: Jun 20, 2018
Answer to Question 1

b

Answer to Question 2

b


waynest

  • Member
  • Posts: 553
Reply 2 on: Jun 20, 2018
Gracias!

aruss1303

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

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?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Model organisms used to study the genetics of development Model organisms used to study the genetics of development
A recent study found that female baboons that groom each other are more likely to come to each other A recent study found that female baboons that groom each other are more likely to come to each other
Berko’s Language Study Berko’s Language Study
Barenboim's study show the change in children's descriptions of their peers Barenboim's study show the change in children's descriptions of their peers
Calculating the coefficient of inbreeding (F) for the offspring of a first cousin marriage Calculating the coefficient of inbreeding (F) for the offspring of a first cousin marriage
A GWAS study for Type 2 diabetes revealed 386,371 genetic markers, clustered here by chromosome numb A GWAS study for Type 2 diabetes revealed 386,371 genetic markers, clustered here by chromosome numb
Video: How does an animal choose what food to eat?

For a complete list of videos, visit our video library